The history of life is written in mutations.

I like to be challenged. I like to do things that people say I can't do.

Every mathematical problem is a puzzle waiting to be solved, and every solution is a step towards greater understanding.

The best preparation for tomorrow is doing your best today.

People, even more than things, have to be restored, revived, reclaimed and redeemed; never throw out anyone.

The strength of the pack is the wolf, and the strength of the wolf is the pack.

The writer of originality, unless dead, is always shocking, scandalous; novelty disturbs and repels.