I claim even a part of the night for my studies.

I do not _find leisure_ for sleep, but I _succumb_ to it, and I keep my eyes at their work even when they are wearied and drooping with watchfulness.

I have retired, not only from men, but from affairs, and especially from my own.

I am doing the work for posterity; I am writing out things which may prove of advantage to them.

I am intrusting to writing healthful admonitions--compositions, as it were, of useful medicines." But the days of Caius drew rapidly to an end.