To him who looks upon the world rationally, the world in its turn presents a rational aspect. The relation is mutual.
The hour of departure has arrived, and we go our ways. I to die, and you to live. Which is better God only knows.
No Quran, no Bible, no Gita, no Cow, is greater than the human self.
In a rational society we would want our presidents to be teachers. – In our actual society we insist they be cheerleaders.
Education is the kindling of a flame, not the filling of a vessel.
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.
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.
The smallest minority on earth is the individual. Those who deny individual rights cannot claim to be defenders of minorities.
I strongly believe that fundamental science cannot be driven by instructional, industrial and government or military pressures.
Study without desire spoils the memory, and it retains nothing that it takes in.