Several excuses are always less convincing than one.

Aldous Huxley

If you don't know where you are going, you'll end up someplace else.

Yogi Berra

Anger is a short madness.

Horace

In seed time learn, in harvest teach, in winter enjoy.

William Blake

I am not young enough to know everything.

Oscar Wilde

Las sombras son tan importantes como la luz.

Charlotte Brontë