A goal that is set in your head is only a wish and holds as much form as smoke.

Every calling is great when greatly pursued. — Oliver Wendell Holmes

Any jackass can kick down a barn  but it takes a good carpenter to build one. — Sam Rayburn

God gives the nuts  but he does not crack them. — German proverb

Let me tell you the secret that has led me to my goal. My strength lies solely in my tenacity. — Louis Pasteur

What one has to do usually can be done. — Eleanor Roosevelt

The world is all gates  all opportunities  strings of tension waiting to be struck. — Ralph Waldo Emerson

Sometimes it is more important to discover what one cannot do  than what one can do. — Lin Yutang

To achieve great things  we must live as though we were never going to die. — Vauvenargues

I am easily satisfied with the very best. — Winston Churchill