Ability is what you're capable of doing. Motivation determines what you do. Attitude determines how well you do it.

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

Whether you think you can, or you think you can't - you're right.

Whatever the mind of man can conceive and believe, it can achieve.

A man should look for what is, and not what he thinks should be.

If you put off everything till you're sure of it, you'll never get anything done.

Believe you can and you're halfway there.

Storms make trees take deeper roots.

Do not worry about holding high position; worry rather about playing your proper role.

Our lives begin to end the day we become silent about things that matter.

Question with boldness even the existence of God; because, if there be one, he must more approve of the homage of reason than that of blindfolded fear.

If you can dream it, you can do it. Always remember that this whole thing was started with a dream and a mouse.

Don't find fault, find a remedy; anybody can complain

Only when I fall do I get up again.

What does not destroy me, makes me strong.

A man's work is nothing but this slow trek to rediscover, through the detours of art, those two or three great and simple images in whose presence his heart first opened.

I hope our wisdom will grow with our power, and teach us that the less we use our power the greater it will be.

I'd rather be an optimist and a fool than a pessimist and right.

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

So early in my life, I had learned that if you want something, you had better make some noise.

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.