sole quotes

But the dove found no rest for the sole of her foot.

-Bible (Old Testament)
Genesis 8:9.

The sole evidence it is possible to produce that anything is desirable, is that people do actually desire it.

-John Stuart Mill
  Utilitarianism, ch.4.

Tout le malheur des hommes vient d'une seule chose, qui est de ne savoir pas demeurer en repos, dans une chambre. The sole cause of man's unhappiness is that he does not know how to stay quietly in his room.

- Blaise Pascal
c.1654^1662  Pense  es, no.139 (translated byA Krailsheimer).