Imagination is more important than knowledge.
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.
Curiosity has its own reason for existence.
Whoever undertakes to set himself up as a judge of Truth and Knowledge is shipwrecked by the laughter of the gods.
Education is what remains after one has forgotten what one has learned in school.
The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.
The whole of science is nothing more than a refinement of everyday thinking.
The only thing that interferes with my learning is my education.
Do not worry about your difficulties in Mathematics. I can assure you mine are still greater.
Common sense is the collection of prejudices acquired by age eighteen.
As far as the laws of mathematics refer to reality, they are not certain, and as far as they are certain, they do not refer to reality.
Chance favors the prepared mind.
The important thing is not to stop questioning. Curiosity has its own reason for existing. One cannot help but be in awe when he contemplates the mysteries of eternity, of life, of the marvelous structure of reality. It is enough if one tries merely to comprehend a little of this mystery every day. Never lose a holy curiosity.
One cannot help but be in awe when [one] contemplates the mysteries of eternity, of life, of the marvelous structure of reality.
If we knew what it was we were doing, it would not be called research, would it?
I hear and I forget. I see and I remember. I do and I understand.
All truths are easy to understand once they are discovered; the point is to discover them.
The aim (of education) must be the training of independently acting and thinking individuals who, however, see in the service to the community their highest life problem.
Most teachers waste their time by asking question which are intended to discover what a pupil does not know whereas the true art of questioning has for its purpose to discover what pupils knows or is capable of knowing.
Great spirits have always found violent opposition from mediocre minds. The latter cannot understand it when a man does not thoughtlessly submit to hereditary prejudices but honestly and courageously uses his intelligence.
or simply:
