Although knowledge of how things work is sufficient to allow manipulation of nature, what humans really want to know is why things work. Children don't ask how the sky is blue. They ask why the sky is blue.

Without question, the notion of the doctor as a legitimate fee-for-service entrepreneur, making his fortune from misfortunes of his patients, is old-fashioned, distasteful, and doomed.

Environmentalism has already killed somewhere between 10-30 million people since the 1970s.

She had been living like a hermit herself, in a cramped, seedy apartment in Somerville, spending long hours in the lab. All-nighters had become a regular thing. She didn't have any close friends, didn't go out on dates, didn't even go to the movies by herself. She had sacrificed a normal life in order to get a PhD, and become a scientist.

They don't have intelligence. They have what I call 'thintelligence.' They see the immediate situation. They think narrowly and they call it 'being focused.' They don't see the surround. They don't see the consequences.

The fact that the patients were complex human beings with a rich life beyond the hospital never really sank into the consciousness of the residents. Because they had no rich lives beyond the hospital, they assumed no one else did, either. In the end, what they lacked was not medical knowledge but ordinary life experience.

This is the gift of your species and this is the danger, because you do not choose to control your imaginings. You imagine wonderful things and you imagine terrible things, and you take no responsibility for the choice. You say you have inside you both the power of good and the power of evil, the angel and the devil, but in truth you have just one thing inside you - the ability to imagine.