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

Man is not the creature of circumstances, Circumstances are the creatures of men.

The very essence of instinct is that it's followed independently of reason.

No one cares how much you know, until they know how much you care

The secret of life, though, is to fall seven times and to get up eight times.

It is not enough to have a good mind; the main thing is to use it well.

The greatest deception men suffer is from their own opinions.

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.

It is a wise man that does know the contented man is never poor, whilst the discontented man is never rich.

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.

A common mistake that people make when trying to design something completely foolproof is to underestimate the ingenuity of complete fools.

The cure for pain is in the pain.

All the great things are simple, and many can be expressed in a single word: freedom; justice; honor; duty; mercy; hope.

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

There are no eternal facts, as there are no absolute truths.

It is easy to be brave at a safe distance.

Never put off for tomorrow, what you can do today.

How often I found where I should be going only by setting out for somewhere else.

You are braver than you believe, stronger than you seem, and smarter than you think.

Only idiots refuse to change their minds.

When prosperity comes, do not use all of it.