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Of all the things which wisdom provides to make us entirely happy, much the greatest is the possession of friendship.

The key to fighting poverty is to break it down into smaller, more manageable problems.

I always try to push myself to the limit, to see how far I can go.

"The best way to innovate is to think differently."

"Change is the essential process of all existence."

A mathematician's work is never done; there are always more problems to solve.

I don't dream at night. I dream all day. I dream for a living.