The important thing is not to stop questioning. Curiosity has its own reason for existing.

It's not that I'm so smart, it's just that I stay with problems longer.

It stands to the everlasting credit of science that by acting on the human mind it has overcome man's insecurity before himself and before nature.

The monotony and solitude of a quiet life stimulates the creative mind.

Reading, after a certain age, diverts the mind too much from its creative pursuits. Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.

Pure mathematics is, in its way, the poetry of logical ideas.

All that is valuable in human society depends upon the opportunity for development accorded the individual.

Our task must be to free ourselves by widening our circle of compassion to embrace all living creatures and the whole of nature and its beauty.

Weakness of attitude becomes weakness of character.

Peace cannot be kept by force; it can only be achieved by understanding.