I invented my life by taking for granted that everything I did not like would have an opposite, which I would like.

Others have seen what is and asked why. I have seen what could be and asked why not.

If we command our wealth, we shall be rich and free. If our wealth commands us, we are poor indeed.

It's the possibility of having a dream come true that makes life interesting.

I am the captain of my soul.

Don't wish it were easier, wish you were better.

If we ever forget that we're one nation under God, then we will be one nation gone under.

It's kind of fun to do the impossible.

Don't let anyone tell you what you ought to like... Some wines that some experts think are absolutely exquisite don't appeal to me at all.

This is one small step for a man, one giant leap for mankind.

Man needs his difficulties because they are necessary to enjoy success.

We should not give up and we should not allow the problem to defeat us.

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.

March on. Do not tarry. To go forward is to move toward perfection. March on, and fear not the thorns, or the sharp stones on life's path.

I don't care what people think or say about me, I know who I am.

Yesterday is gone. Tomorrow has not yet come. We have only today. Let us begin.

Identify your problems but give your power and energy to solutions

If my mind can conceive it, and my heart can believe it - then I can achieve it.

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

Scar tissue is stronger than regular tissue. Realize the strength, move on.

Imperfection is beauty, madness is genius and it's better to be absolutely ridiculous than absolutely boring.