We ought to love temperance for itself, and in obedience to God who has commanded it and chastity; but what I am forced to by catarrhs, or owe to the stone, is neither chastity nor temperance.

To philosophize is to learn to die.

It should be noted that children at play are not playing about; their games should be seen as their most serious-minded activity.

Not being able to govern events, I govern myself, and apply myself to them if they will not apply themselves to me.

Men are tormented by the opinions they have of things, and not the things themselves.

Habituation puts to sleep the eye of our judgment.

If to take up books were to take them in, and if to see them were to consider them, and to run through them were to grasp them, I should be wrong to make myself out quite as ignorant as I say I am.