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

It is any day better to stand erect with a broken and bandaged head then to crawl on one's belly, in order to be able to save one's head.

No sanction can stand against ignited minds.

The important thing is that men should have a purpose in life. It should be something useful, something good.

There was never a genius without a tincture of madness.

Marriage is neither heaven nor hell, it is simply purgatory.

Science is a beautiful gift to humanity; we should not distort it.

When there is oppression, the only self-respecting thing is to rise and say this shall cease today, because my right is justice. If you are stronger, you have to help the weaker boy or girl both in play and in the work.

Anger dwells only in the bosom of fools. 

I learned that courage was not the absence of fear, but the triumph over it. The brave man is not he who does not feel afraid, but he who conquers that fear.

Every time we've moved ahead in IBM, it was because someone was willing to take a chance, put his head on the block, and try something new. 

We don't get a chance to do that many things, and every one should be really excellent. Because this is our life. Life is brief, and then you die, you know? So this is what we've chosen to do with our life.