Care of the poor is incumbent on society as a whole.

Surely human affairs would be far happier if the power in men to be silent were the same as that to speak. But experience more than sufficiently teaches that men govern nothing with more difficulty than their tongues.

...The body is affected by the image of the thing, in the same way as if the thing were actually present.

I have tried sedulously not to laugh at the acts of man, nor to lament them, nor to detest them, but to understand them.

In the mind there is no absolute or free will; but the mind is determined to wish this or that by a cause, which has also been determined by another cause, and this last by another cause, and so on to infinity.

The more clearly you understand yourself and your emotions, the more you become a lover of what is.

All things excellent are as difficult as they are rare.