He that is a friend to himself, know; he is a friend to all.

Disappointment and feebleness imprint upon us a cowardly and valetudinarian virtue.

Whatever is preached to us, and whatever we learn, we should still remember that it is man that gives, and man that receives; it is a mortal hand that presents it to us, it is a mortal hand that accepts it.

The virtue of the soul does not consist in flying high, but in walking orderly.

Have you been able to think out and manage your own life? You have done the greatest task of all.... All other things, ruling, hoarding, building, are only little appendages and props, at most.

Of the opinions of philosophy I most gladly embrace those that are most solid, that is to say, most human and most our own; my opinions, in conformity with my conduct, are low and humble.

Amongst all other vices there is none I hate more than cruelty, both by nature and judgment, as the extremest of all vices.