The whole of science is nothing more than a refinement of everyday thinking.
If you’re afraid – don’t do it, – if you’re doing it – don’t be afraid.
In a rational society we would want our presidents to be teachers. – In our actual society we insist they be cheerleaders.
Nothing that is worth knowing can be taught.
Never memorize something that you can look up.
I mean, you could claim that anything’s real if the only basis for believing in it is that nobody’s proved it doesn’t exist!
Freedom is the right to tell people what they do not want to hear.
You can buy my time and effort, but you have to earn my dedication.
The best way to find out if you can trust somebody is to trust them.
Give a girl an education and introduce her properly into the world, and ten to one but she has the means of settling well, without further expense to anybody.