The deepest sin against the human mind is to believe things without evidence.
It is the mark of an educated mind, to entertain a thought without accepting it.
Everything must be made as simple as possible. But not simpler.
Every cause produces more than one effect.
All real philosophers have been artists in the realm of concepts.
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.
I think it is a mistake to judge science by Nobel Prizes.
I don’t believe in taking right decisions. Take decisions and make them right.
The hour of departure has arrived, and we go our ways. I to die, and you to live. Which is better God only knows.
Spoon feeding in the long run teaches us nothing but the shape of the spoon.