It is astonishing what an effort it seems to be for many people to put their brains definitely and systematically to work.
The value of an idea lies in the using of it.
Show me a thoroughly satisfied man and I will show you a failure.
The best thinking has been done in solitude. The worst has been done in turmoil.
We don't know a millionth of one percent about anything.
To my mind the old masters are not art; their value is in their scarcity.
