Do you know what we call opinion in the absence of evidence? We call it prejudice.

The best doctors found a middle position where they were neither overwhelmed by their feelings nor estranged from them. That was the most difficult position of all, and the precise balance - neither too detached nor too caring - was something few learned.

...scientific power is like inherited wealth: attained without discipline. You read what others have done, and you take the next step. You can do it very young...there is no mastery, old scientists are ignored. There is no humility before nature...Its a form of inherited wealth. And you know what assholes congenitally rich people are.

Grant knew that people could not imagine geological time. Human life was lived on another scale of time entirely. An apple turned brown in a few minutes. Silverware turned black in a few days. A compost heap decayed in a season. A child grew up in a decade. None of these everyday human experiences prepared people to be able to imagine the meaning of eighty million years - the length of time that had passed since this little animal had died.

When you have a strongly held belief, don't you think it's important to express that belief accurately?

If you gamble long enough, you'll always lose -- the gambler is always ruined.

It's hard to decide who's truly brilliant; it's easier to see who's driven, which in the long run may be more important.