Every time I see a bluebird, I say, well, hey, all this hard work is all worth while.

Have love for your friend up to a limit for it is possible he may turn into your enemy some day; and hate your enemy up to a limit for it is possible he may turn into your friend some day.

Microsoft obviously takes way too long to fix flaws, .. All researchers should follow responsible disclosure guidelines, but if a vendor like Microsoft takes six months to a year to fix a flaw, a researcher has every right to release the details.

I think second place is always the most difficult one. It's not a nice feeling.

The eyes are the amulets of the mind.

A cancer is not only a physical disease, it is a state of mind.

Look for strength in people, not weakness; for good, not evil. Most of us find what we search for.