Learn from the mistakes of others. You can never live long enough to make them all yourself.

What's done can't be undone.

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

To a wise and good man the whole earth is his fatherland.

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

Fear doesn't exist anywhere except in the mind.

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

Rational discussion is useful only when there is a significant base of shared assumptions.

Throw your heart over the fence and the rest will follow.

You can best serve civilization by being against what usually passes for it.

The only limit to our realization of tomorrow will be our doubts of today.

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

Whenever you find yourself on the side of the majority, it is time to pause and reflect.

Immoderate desire is the mark of a child, not a man.

He that cannot reason is a fool. He that will not is a bigot. He that dare not is a slave.

Men are not prisoners of fate, but only prisoners of their own minds.

There is nothing more uncommon than common sense.

All great achievements require time.

Turn your wounds into wisdom.

No act of kindness, no matter how small, is ever wasted.

In the midst of movement and chaos, keep stillness inside of you.