You can't ask your pharmacist to stock larger quantities of potassium nitrate because you want to make a bigger rocket.

You make observations, write theories to fit them, try experiments to disprove the theories and, if you can't, you've got something.

Here's a bunch of people practising a new set of behavioural norms. Apparently it didn't work because a lot of them got sick. That's the conclusion. You don't necessarily know why it happened. But you start there.

Scientists are doing an awful lot of damage to the world in the name of helping it. I don't mind attacking my own fraternity because I am ashamed of it.

Art is subject to arbitrary fashion.

I can say exactly what I feel about any issue, and I'm going to do that.