Give me 6 hours to chop a tree, I will spend the first 4 sharpening my axe.
An expert is a person who has made all the mistakes that can be made in a very narrow field.
Ask the right questions, and nature will open the doors to her secrets.
I would rather have questions that can’t be answered than answers which can’t be questioned.
Time and space are modes by which we think and not conditions in which we live.
Logic is like the sword–those who appeal to it shall perish by it.
Nothing that is worth knowing can be taught.
Kindness is the language which the deaf can hear and the blind can see.
Everyone you meet always asks if you have a career, are married, or own a house as if life was some kind of grocery list. But no one ever asks you if you are happy.
The whole of science is nothing more than a refinement of everyday thinking.