He who is slowest in making a promise is most faithful in its performance.

Be frank and explicit. That is the right line to take when you wish to conceal your own mind and to confuse the minds of others.

Almost every wise saying has an opposite one, no less wise, to balance it.

To avoid criticism say nothing, do nothing, be nothing.

The difference between stupidity and genius is that genius has its limits.

Judge not unless you judge yourself.

What you're thinking is what you're becoming.

Your visions will become clear only when you can look into your own heart. Who looks outside, dreams; who looks inside, awakes.

There is nothing more uncommon than common sense.

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

Early to bed and early to rise, Makes a man healthy, wealthy, and wise.

Instinct is a marvellous thing. It can neither be explained nor ignored.

One who loses wealth loses much. One who loses a friend loses more. But one who loses courage loses all.

Our society is run by insane people for insane objectives.

Be realistic: Plan for a miracle

Experience teaches us that it is much easier to prevent an enemy from posting themselves than it is to dislodge them after they have got possession.

Moderation in temper is always a virtue; but moderation in principle is always a vice.

Most of us have far more courage than we ever dreamed possible

I believe that one defines oneself by reinvention. To not be like your parents. To not be like your friends. To be yourself. To cut yourself out of stone.

Good means not merely not to do wrong, but rather not to desire to do wrong.

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