by heart

Definitions

  • WordNet 3.6
    • adv by heart by committing to memory "she knew the poem by heart"
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Webster's Revised Unabridged Dictionary
  • Interesting fact: The first open heart surgery was performed by Dr. Daniel Hall Williams in 1893
    • By heart in the closest or most thorough manner; as, to know or learn by heart . “Composing songs, for fools to get by heart” (that is, to commit to memory, or to learn thoroughly).
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Chambers's Twentieth Century Dictionary
  • Interesting fact: By the time you turn 70, your heart will have beat some two-and-a-half billion times (figuring on an average of 70 beats per minute.)
    • By heart by rote: in the memory
    • ***

Quotations

  • Kahlil Gibran
    Kahlil%20Gibran
    “Faith is an oasis in the heart which will never be reached by the caravan of thinking.”
  • Blaise Pascal
    Blaise%20Pascal
    “It is the heart which perceives God and not the reason. That is what faith is: God perceived by the heart, not by the reason.”
  • Joseph Conrad
    Joseph%20Conrad
    “How does one kill fear, I wonder? How do you shoot a specter through the heart, slash off its spectral head, take it by its spectral throat?”
  • Cotvos
    Cotvos
    “We may seek God by our intellect, but we only can find him with our heart.”
  • Lord Chesterfield
    Lord%20Chesterfield
    “Men, as well as women, are much oftener led by their hearts than by their understandings.”
  • Gutzkow
    Gutzkow
    “There must be hearts which know the depths of our being, and swear by us, even when the whole world forsakes us.”

Idioms

By heart - If you learn something by heart, you learn it word for word.
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Etymology

Chambers's Twentieth Century Dictionary
A.S. heorte; Dut. hart, Ger. herz; cog. with L. cor, cordis, Gr. kardia.

Usage

In literature:

I've counted the cracks in the ceiling till I have a map of them by heart.
"Red Pepper's Patients" by Grace S. Richmond
He stuttered on to try to win in the way he knew her generous heart could be won by a statement of her new joy.
"The Judge" by Rebecca West
Who would think of learning poetry by heart by the process of repeating it aloud a hundred or more times?
"Music As A Language" by Ethel Home
Why, a stranger would think that Sophia was never loved by any human heart before!
"The Squire of Sandal-Side" by Amelia Edith Huddleston Barr
I was feeble and sore broken, and roared by reason of the disquiet of my heart.
"The Power of Faith" by Isabella Graham
I have now time to consult both my heart and my reason at leisure, and to break with him, if necessary, by degrees.
"The History of Emily Montague" by Frances Brooke
He knew his Rabelais by heart.
"Curiosities of Literature, Vol. II (of 3)" by Isaac Disraeli
I have known your face and figure by heart for a very long while.
"The Odds" by Ethel M. Dell
He had fetched down a nugget from the "Laughing Water" claim, a bright lump of virgin gold, rudely fashioned by nature like a heart.
"The Furnace of Gold" by Philip Verrill Mighels
God may be shut out from the soul by pride of intellect, or by pride of heart.
"Sermons Preached at Brighton" by Frederick W. Robertson
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In poetry:

Your heart was not created
To fret itself away,
By being unduly mated
To common human clay.
"Don't" by James Jeffrey Roche
By that faith I cannot share,
Fare thee well!
By this hopeless heart's despair,
Fare thee well!
"Farewell" by Sydney Thompson Dobell
O river, dim with distance,
Flow thus forever by,
A part of my existence
Within your heart doth lie!
"Song II" by James Russell Lowell
For then, I, undistrest
By hearts grown cold to me,
Could lonely wait my endless rest
With equanimity.
"I Look Into My Glass" by Thomas Hardy
Of those who into three or four
Their hearts divide.
My queens came singly to the door,
Not side by side.
"A Lover's Confession" by Robert Fuller Murray
But I am tied to very thee,
By every thought I have;
Thy face I only care to see,
Thy heart I only crave.
"To Celia" by Sir Charles Sedley

In news:

'Look at Me': Words Torn From the Heart (By JONATHAN YARDLEY, November 30, 2005).
The comedian Gallagher is expected to be out of a medically induced coma by Saturday after suffering a heart attack in a suburban Dallas bar.
If Kendal and Sandy Peck could snap their fingers and have heart surgeries by America's most famous heart doctors in the biggest cities, they wouldn't.
Veteran wounded by shrapnel in Vietnam in 1968 grateful to finally receive Purple Heart.
Iranians and analysts alike say the leaked diplomatic cables show a half-hearted attempt at engagement, undermined by an assumption that engaging Iran was pointless.
I have also seen wasted lives restored through the power of God and his Holy Spirit by changing the hearts of individuals.
On the last day of March a regional daily newspaper reported on the front of the "B" section that a scientific study had found that prayer had not benefited a control group of heart by-pass patients.
Near to the Wild Heart translated from the Portuguese by Giovanni Pontiero New Directions, 192 pp.
This episode of our Song Spinner series, which takes you inside the hearts, minds and hands of local musicians and their creative process, reveals the backstory behind "New London" by Quiet Life.
The 640-acre Heart Lake property, which includes nearby Mt Jo, has been called the "finest square mile " by writers and others.
Man stabbed in chest, heart by stingray barb.
Stitched Up Heart — led by frontwoman Mixi, who was featured in Revolver 's 2011 Hottest Chicks in Hard Rock & Metal issue — are debuting the music video for their new single, "Grave," right here right now.
Bands that attempt to make a career for themselves by trend-jumping with half-hearted devotion do not last.
The British novelist and journalist, James Meek, wrote his new book, The Heart Broke In, by hand.
Bit by bit, priest works to mend Camden's tattered heart.
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In science:

At the heart of this generalization was the proposal that the one-dimensional Xampling method derived in be applied to signals obtained by beamforming.
Compressed Beamforming in Ultrasound Imaging
At each change of heart, the chance of producing the preceding theory drops severely (by at least the amount 1 − , where  may be chosen as small as you please).
Causal Conclusions that Flip Repeatedly and Their Justification
At the heart of the work on these classification programs are algebraic preservation theorems which state that, relative to a finite structure, the relations definable in a given fragment are precisely those preserved by a suitable set of operations.
An Algebraic Preservation Theorem for Aleph-Zero Categorical Quantified Constraint Satisfaction
We specialize to the case of the stable module category in Section 3.3, where we show that the heart of an indecomposable module M (the fibre of the almost zero map) has length which differs by at most one from M , with respect to any pro jective class.
Ghost numbers of Group Algebras
We also show that this is true for any summand of the heart, by showing that the lengths of the domain and codomain of any irreducible map differ by at most one.
Ghost numbers of Group Algebras
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