I confess that in 1901 I said to my brother Orville that man would not fly for fifty years.

I think nature's imagination Is so much greater than man's, she's never going to let us relax.

Don't fear failure. Not failure, but low aim, is the crime. In great attempts it is glorious even to fail.

Only when I fall do I get up again.

To see me does not necessarily mean to see my face. To understand my thoughts is to have seen me.

The one excellent thing that can be learned from a lion is that whatever a man intends doing should be done by him with a whole-hearted and strenuous effort.

I just couldn't take school seriously: I had this guitar neck with four frets which I kept hidden under the desk. It had strings on it so I would practice my chord shapes under the desk and that's about all I did at school.

You can't learn in school what the world is going to do next year.

It's always too early to quit.

You'll never do a whole lot unless you're brave enough to try.

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

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

When all is said and done, more is said than done.

We cannot solve our problems with the same thinking we used when we created them.

My mother said to me, 'If you are a soldier, you will become a general. If you are a monk, you will become the Pope.' Instead, I was a painter, and became Picasso.

I believe that if you show people the problems and you show them the solutions they will be moved to act.

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

The expectations of life depend upon diligence; the mechanic that would perfect his work must first sharpen his tools.

Imagination is everything. It is the preview of life's coming attractions.

If you can dream it, you can do it.

There is only one corner of the universe you can be certain of improving, and that's your own self.