In science, the credit goes to the man who convinces the world, not to the man to whom the idea first occurs.

过去总是紧张的，未来是完美的。

When you confront a stuck bolt or screw: righty tighty， lefty loosey.

所有科学的起源是对原因的求知欲，而所有伪科学的起源是宁愿接受虚假原因也不愿承认无知的欲望。