A lot of what is most beautiful about the world arises from struggle.

Often a sign of expertise is noticing what doesn't happen.

It is those who are successful, in other words, who are most likely to be given the kinds of special opportunities that lead to further success.

Emotion is contagious.

That's your responsibility as a person, as a human being - to constantly be updating your positions on as many things as possible. And if you don't contradict yourself on a regular basis, then you're not thinking.

I think that persistence and stubbornness and hard work are probably, at the end of the day, more important than the willingness to take a risk.

The Tipping Point is the biography of an idea, and the idea is very simple. It is that the best way to understand the emergence of fashion trends, the ebb and flow of crime waves, or, for that matter, the transformation of unknown books into bestsellers, or the rise of teenage smoking, or the phenomena of word of mouth, or any number of the other mysterious changes that mark everyday life is to think of them as epidemics. Ideas and products and messages and behaviors spread just like viruses do.