To understand the true quality of people, you must look into their minds, and examine their pursuits and aversions.

When you arise in the morning, think of what a precious privilege it is to be alive - to breathe, to think, to enjoy, to love ... then make that day count!

Always follow these two rules: first, act only on what your reasoning mind proposes for the good of humanity, and second, change your opinion if someone shows you it's wrong. This change of mind must proceed only from the conviction that it's both correct and for the common good, but not because it will give you pleasure and make you popular.

Prize that which is best in the universe; and this is that which useth everything and ordereth everything.

Remember that all is opinion.

The true worth of a man is to be measured by the objects he pursues.

When men are inhuman, take care not to feel towards them as they do towards other humans.