Love is a better teacher than duty.
Gravitation is not responsible for people falling in love.
Without deep reflection one knows from daily life that one exists for other people.
The monotony and solitude of a quiet life stimulates the creative mind.
Only a life lived for others is a life worthwhile.
If we knew what it was we were doing it would not be called research would it?
There comes a time when the mind takes a higher plane of knowledge but can never prove how it got there.
The gift of fantasy has meant more to me than my talent for absorbing positive knowledge.
Whoever undertakes to set himself up as a judge of Truth and Knowledge is shipwrecked by the laughter of the gods.
Knowledge of what is does not open the door directly to what should be.
Information is not knowledge.
Intellectuals solve problems geniuses prevent them.
Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
It's not that I'm so smart it's just that I stay with problems longer.
The difference between stupidity and genius is that genius has its limits.
To raise new questions new possibilities to regard old problems from a new angle requires creative imagination and marks real advance in science.
I am enough of an artist to draw freely upon my imagination.
Logic will get you from A to B. Imagination will take you everywhere.
The true sign of intelligence is not knowledge but imagination.
Imagination is everything. It is the preview of life's coming attractions.
Imagination is more important than knowledge.
Learn from yesterday live for today hope for tomorrow. The important thing is not to stop questioning.
The devil has put a penalty on all things we enjoy in life. Either we suffer in health or we suffer in soul or we get fat.
A table a chair a bowl of fruit and a violin what else does a man need to be happy?
You ask me if I keep a notebook to record my great ideas. I've only ever had one.