The island, situated between the Dalriadans and the Picts of the Highlands, was conveniently placed for missionary work.
"The Glories of Ireland" by Edited by Joseph Dunn and P.J. Lennox
While thus engaged on the Border he found his work endangered by a raiding host of Picts or Saxons, or both.
"Early Britain--Roman Britain" by Edward Conybeare
The Picts and Scots have left nothing at all approaching to their pottery work.
"The Clyde Mystery a Study in Forgeries and Folklore" by Andrew Lang
The Catrail or Picts' Work begins near the town and passes immediately to the west.
"Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 4" by Various
Let me work here for Britain's sake—at any task you will—
A marsh to drain, a road to make or native troops to drill.
Some Western camp (I know the Pict) or granite Border keep,
Mid seas of heather derelict, where our old messmates sleep.
"The Roman Centurion's Song" by Rudyard Kipling