Prosperity tries the fortunate, adversity the great.

The time is always right to do what is right.

We make a living by what we get, but we make a life by what we give.

The more refined and subtle our minds, the more vulnerable they are.

Insanity: doing the same thing over and over again and expecting different results.

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

Nobody cares how much you know, until they know how much you care.

Simplicity is the ultimate sophistication.

It is better to keep your mouth closed and let people think you are a fool than to open it and remove all doubt.

It’s not that I’m so smart, it’s just that I stay with problems longer.

Once we accept our limits, we go beyond them.

In matters of style, swim with the current; in matters of principle, stand like a rock.

Quality is never an accident. It is always the result of intelligent effort.

There are things known and there are things unknown, and in between are the doors of perception.

Judge a man by his questions rather than his answers.

We cannot teach people anything; we can only help them discover it within themselves.

Everything that we see is a shadow cast by that which we do not see.

Talent is a flame. Genius is a fire.

All action results from thought, so it is thoughts that matter.

Mystery creates wonder and wonder is the basis of man’s desire to understand.