The greatest of wealth is the richness of the soul.

The greatest power we have is the power of choice.

Admiration is the daughter of ignorance.

Nothing fixes a thing so intensely in the memory as the wish to forget it.

Never argue with an idiot. They drag you down to their level and then beat you with experience.

Drop the idea of becoming someone, because you are already a masterpiece. You cannot be improved. You have only to come to it, to know it, to realize it.

Tact is the knack of making a point without making an enemy.

Wisdom begins at the end.

Boredom is the root of all evil - the despairing refusal to be oneself.

If you don't behave as you believe, you will end by believing as you behave.

Act as if the maxim of your action were to become through your will a general natural law

An understanding of the natural world is a source of not only great curiosity, but great fulfilment.

Destiny is not a passive agent that lies in the lap of the Gods, but is an active instrument that lies in your own hands to shape as you will.

Sometimes one creates a dynamic impression by saying something, and sometimes one creates as significant an impression by remaining silent.

A person who spends more than he earns is a fool

Nature is pleased with simplicity. And nature is no dummy

Experience keeps a dear school, but fools will learn in no other.

Resist much. Obey little.

Stupidity is a talent for misconception.

I think about the meaning of pain. Pain is personal. It really belongs to the one feeling it. Probably the only thing that is your own. I like mine.

Muddy water is best cleared by leaving it alone.