Dissimilarity of habit tends more than anything to destroy affection.

We must not feel a childish disgust at the investigations of the meaner animals. For there is something marvelous in all natural things.

In poverty and other misfortunes of life, true friends are a sure refuge.

Happiness involves engagement in activities that promote one's highest potentials.

The law is reason, free from passion.

We maintain, and have said in the Ethics, if the arguments there adduced are of any value, that happiness is the realization and perfect exercise of virtue, and this not conditional, but absolute. And I used the term 'conditional' to express that which is indispensable, and 'absolute' to express that which is good in itself.

Art is identical with a state of capacity to make, involving a true course of reasoning.