Do not be afraid. Do not be satisfied with mediocrity. Put out into the deep and let down your nets for a catch.

You are not here merely to make a living. You are here in order to enable the world to live more amply, with greater vision, with a finer spirit of hope and achievement. You are here to enrich the world, and to impoverish yourself if you forget the errand.

The world is the great gymnasium where we come to make ourselves strong.

A long apprenticeship is the most logical way to success. The only alternative is overnight stardom, but I can't give you a formula for that.

Do not pray for easy lives. Pray to be stronger men.

The past cannot be changed. The future is yet in your power.

We need never be ashamed of our tears.

It's not whether you got knocked down; it's whether you get back up.

Argue not concerning God,re-examine all that you have been told at church or school or in any book, dismiss whatever insults your soul

Determine never to be idle. No person will have occasion to complain of the want of time, who never loses any. It is wonderful how much may be done, if we are always doing.

In winter, I plot and plan. In spring, I move.

I don’t think we are going to become extinct. We are very clever and very resourceful.

There is always room at the top.

If you get up in the morning and think the future is going to be better, it is a bright day. Otherwise, it's not.

Imagination will often carry us to worlds that never were, but without it we go nowhere.

Great things are not done by impulse, but by a series of small things brought together.

The desire to reach for the stars is ambitious. The desire to reach hearts is wise.

Pizza makes me think that anything is possible.

Wealth is not about having a lot of money; it's about having a lot of options.

You see things; you say, 'Why?' But I dream things that never were; and I say 'Why not?

Without ambition one starts nothing. Without work one finishes nothing. The prize will not be sent to you. You have to win it.