It is easy to be brave at a safe distance.

There are no limitations to the mind except those we acknowledge.

The greatest minds are capable of the greatest vices as well as of the greatest virtues.

Words mean more than what is set down on paper. It takes the human voice to infuse them with deeper meaning.

Every aquarium will eventually leak.

It takes a great deal of bravery to stand up to our enemies, but just as much to stand up to our friends.

All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.

I think, therefore I am.

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.

Jealousy is the tribute mediocrity pays to genius.

I hear and I forget. I see and I remember. I do and I understand.

Desire is poverty. Desire is the greatest impurity of the mind. Desire is the motive force for action. Desire in the mind is the real impurity. Even a spark of desire is a very great evil.

Anywhere you go in the world is what you make of it, not what you read in books.

Never do anything when you are in a temper, for you will do everything wrong.

Criticize the act, not the person.

Creativity is the process of having original ideas that have value.

Mistakes are always forgivable, if one has the courage to admit them.

The only real mistake is the one from which we learn nothing.

Whatever it is you're seeking won't come in the form you're expecting.

Accuracy is the twin brother of honesty; inaccuracy, of dishonesty.

Think globally, act locally.