One of the greatest pieces of economic wisdom is to know what you do not know.

One of the greatest pieces of economic wisdom is to know what you do not know.

Experience is the only prophecy of wise men.

Experience is the only prophecy of wise men.

Character is the sum and total of a person's choices.

Character is the sum and total of a person's choices.

Character contributes to beauty. It fortifies a woman as her youth fades.

Character contributes to beauty. It fortifies a woman as her youth fades.

Profundity of thought belongs to youth, clarity of thought to old age.

Profundity of thought belongs to youth, clarity of thought to old age.

Everything has been figured out, except how to live.

Everything has been figured out, except how to live.

We live in the present, we dream of the future and we learn eternal truths from the past.

We live in the present, we dream of the future and we learn eternal truths from the past.

Wisdom is knowing when to speak your mind and when to mind your speech.

Wisdom is knowing when to speak your mind and when to mind your speech.

I'm comfortable being old... being black... being Jewish.

I'm comfortable being old... being black... being Jewish.