Let us pass to passional trueness, leaving science to enter the domain of art.
"Delsarte System of Oratory" by Various
Down in those turgid depths he made out a straight ridge running with a trueness of line which could not be nature's unassisted product.
"Star Hunter" by Andre Alice Norton
Man loves truth; tells it; rests only in it; how much more God who is the trueness of truth.
"Speeches, Addresses, and Occasional Sermons, Volume 2 (of 3)" by Theodore Parker
Or are there others whose perfect trueness produces this effect?
"Lectures on the true, the beautiful and the good" by Victor Cousin
Insensibly to myself, I gloried in MY joy, MY victory, MY trueness to God.
"Riches of Grace" by E. E. Byrum