Those who can not change their minds can not change anything.

All great achievements require time.

You are not a drop in the ocean. You are the entire ocean, in a drop.

Talent is God given. Be humble. Fame is man-given. Be grateful. Conceit is self-given. Be careful.

Tomorrow hopes we have learned something from yesterday.

Work is the price which is paid for reputation.

You don't become what you want, you become what you believe

I don't like definitions, but if there is a definition of freedom, it would be when you have control over your reality to transform it, to change it, rather than having it imposed upon you. You can't really ask for more than that.

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

One just needs a little alertness to see and find out: Life is really a great cosmic laughter.

Whatever you think the world is withholding from you, you are withholding from the world.

Learned we may be with another man's learning: we can only be wise with wisdom of our own.

Beer: The cause of, and solution to, all of life's problems.

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

The wise man should restrain his senses like the crane and accomplish his purpose with due knowledge of his place, time and ability.

To do great things is difficult, but to command great things is more difficult.

It's not a question of learning much.On the contrary.It's a question of UNLEARNING much.

Having a great intellect is no path to being happy.

Better mad with the rest of the world than wise alone.

Out of suffering have emerged the strongest souls; the most massive characters are seared with scars.

The trouble with most of us is that we would rather be ruined by praise than saved by criticism.