Stretched between Sark and Longtown is the Debateable Land and Solway Moss; the latter "just a muckle black moss," they will tell you here, yet surely not without its own beauty under certain combinations of sun and cloud.
— from Highways and Byways in the Border Illustrated by Andrew Lang

The certainty afforded in the law of Identity in positive form, in the law of Contradiction in negative form, in the law of Excluded Middle in the form of an opposition, and in the law of Sufficient Reason in conditional form, is based upon Causality, Community of Species, or Totality.
— from A Review of the Systems of Ethics Founded on the Theory of Evolution by Cora May Williams

"How hard it is," says Dante, "to climb another's stairs," and he might have added to ring another's bell, under certain conditions of spiritual humiliation and stress.
— from The Book of Susan: A Novel by Lee Wilson Dodd