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

Failure is not our only punishment for laziness; there is also the success of others.

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

Only when I fall do I get up again.

You are never too old to become younger!

My dear friend, clear your mind of cant.

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

There is always room at the top.

My advice to other disabled people would be, concentrate on things your disability doesn't prevent you doing well, and don't regret the things it interferes with. Don't be disabled in spirit as well as physically.

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

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

One person with a belief is equal to a force of ninety-nine who have only interests.

For a man who no longer has a homeland, writing becomes a place to live.

The duty of youth is to challenge corruption.

Faith is taking the first step even when you can't see the whole staircase.

Your success and happiness lies in you. Resolve to keep happy, and your joy and you shall form an invincible host against difficulties.

Be happy, but never satisfied.

Anyone who stops learning is old, whether at twenty or eighty. Anyone who keeps learning stays young.

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

The superior man thinks only of virtue; the common man thinks only of comfort.

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.