The whole of science is nothing more than a refinement of everyday thinking.
The smallest minority on earth is the individual. Those who deny individual rights cannot claim to be defenders of minorities.
Never mistake motion for action.
Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less.
Kindness is the language which the deaf can hear and the blind can see.
I am heartened to find so much wit in you, that you’d give thought to consequences and choose your way with reason, not passion only.
You cannot conquer a free man. The most you can do is kill him.
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.
That which can be asserted without evidence, can be dismissed without evidence.