Educating the mind without educating the heart is no education at all.
The hour of departure has arrived, and we go our ways. I to die, and you to live. Which is better God only knows.
Education is the kindling of a flame, not the filling of a vessel.
Freedom is the right to tell people what they do not want to hear.
If they can get you asking the wrong questions, they don’t have to worry about answers.
The deepest sin against the human mind is to believe things without evidence.
If you’re afraid – don’t do it, – if you’re doing it – don’t be afraid.
Anything that gives us new knowledge gives us an opportunity to be more rational.
Ask the right questions, and nature will open the doors to her secrets.
Study without desire spoils the memory, and it retains nothing that it takes in.