If a window is broken and left unrepaired, people walking by will conclude that no one cares and no one is in charge. Soon, more windows will be broken, and the sense of anarchy will spread from the building to the street on which it faces, sending a signal that anything goes.

I'm necessarily parasitic in a way. I have done well as a parasite. But I'm still a parasite.

If you think advantage lies in resources, then you think the best educational system is the one that spends the most money.

In order to get one of the greatest inventions of the modern age, in other words, we thought we needed the solitary genius. But if Alexander Graham Bell had fallen into the Grand River and drowned that day back in Brantford, the world would still have had the telephone, the only difference being that the telephone company would have been nicknamed Ma Gray, not Ma Bell.

What happens when two people talk? That is really the basic question here, because, that's the basic context in which all persuasion takes place.

There are exceptional people out there who are capable of starting epidemics. All you have to do is find them.

We tend to credit those who create an idea, not those who perfect it, forgetting that it is often only in the perfection of an idea that true progress occurs. Putting sixty-four transistors on a chip allowed people to dream of the future. Putting four million transistors on a chip actually gave them the future.