That rifle on the wall of the labourer’s cottage or working class flat is the symbol of democracy. It is our job to see that it stays there.
An expert is a person who has made all the mistakes that can be made in a very narrow field.
I strongly believe that fundamental science cannot be driven by instructional, industrial and government or military pressures.
You can buy my time and effort, but you have to earn my dedication.
A man who dares to waste one hour of time has not discovered the value of life.
Rationality attracts conscientious humans, whereas mysticism attracts fools.
The smallest minority on earth is the individual. Those who deny individual rights cannot claim to be defenders of minorities.
Everything must be made as simple as possible. But not simpler.
The deepest sin against the human mind is to believe things without evidence.
Space is big. You just won’t believe how vastly, hugely, mind-bogglingly big it is. I mean, you may think it’s a long way down the road to the chemist’s, but that’s just peanuts to space.