Natural wealth is limited and easily obtained; the wealth defined by vain fancies is always beyond reach.

He who says either that the time for philosophy has not yet come or that it has passed is like someone who says that the time for happiness has not yet come or that it has passed.

We must consider both the ultimate end and all clear sensory evidence, to which we refer our opinions; for otherwise everything will be full of uncertainty and confusion.

Don't fear god, Don't worry about death; What is good is easy to get, and What is terrible is easy to endure

Virtue consisteth of three parts,--temperance, fortitude, and justice.

All sensations are true; pleasure is our natural goal.

It is not so much our friends' help that helps us, as the confidence of their help.