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

I don't know who my grandfather was; I'm much more concerned to know what his grandson will be.

Don't get set into one form, adapt it and build your own, and let it grow, be like water.

Every problem has in it the seeds of its own solution. If you don't have any problems, you don't get any seeds.

They say Rome wasn't built in a day, but I wasn't on that particular job.

People who are unable to motivate themselves must be content with mediocrity, no matter how impressive their other talents.

He who is not courageous enough to take risks will accomplish nothing in life

Anything that makes weak - physically, intellectually and spiritually, reject it as poison.

If you don't like something, change it. If you can't change it, change your attitude. Don't complain.

A man can't soar too high, when he flies with his own wings.

The limits of the possible can only be defined by going beyond them into the impossible.

Human dignity consists in the role we must play in our own perfection. Taking a role in our own self-completion is the highest expression of our creativity.

To attain the impossible, one must attempt the absurd.

The starting point of all achievement is desire.

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

If you can't fly then run, if you can't run then walk, if you can't walk then crawl, but whatever you do you have to keep moving forward.

We all have possibilities we don't know about. We can do things we don't even dream we can do.

We do not consider our principles as dogmas contained in books said to come from heaven. We derive our inspiration, not from heaven, or the unseen world, but directly from life.

Don't ever take a fence down until you know why it was put up.

A bird doesn't sing because it has an answer, it sings because it has a song.

If you want a thing done well, do it yourself.