Violence is the last refuge of the incompetent.

-Isaac Asimov

We don't see things as they are, we see things as we are.

-Anais Nin

The only real mistake is the one from which we learn nothing.

-John Powell

We can draw lessons from the past, but we cannot live in it.

-Lyndon B. Johnson

Yesterday is not ours to recover, but tomorrow is ours to win or to lose.

-Lyndon B. Johnson

Good thoughts bear good fruit, bad thoughts bear bad fruit.

-James Allen