Let no man give advice to others that he has not first given himself.
It's a vice to trust all, and equally a vice to trust none.
When one has lost a friend one's eyes should be neither dry nor streaming. Tears, yes, there should be, but not lamentation.
I shall never be ashamed to quote a bad author if what he says is good.
Everything may happen.
Difficulties strengthen the mind, as labor does the body.