Subrahmanyan Chandrasekhar

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

The scientist does not study nature because it is useful; he studies it because he delights in it, and he delights in it because it is beautiful.

One must be prepared to abandon even the most cherished beliefs if they are contradicted by evidence.

The progress of science depends on the free exchange of ideas.

The true sign of intelligence is not knowledge but imagination.

I have never let my schooling interfere with my education.

The more I learn, the more I realize how much I don't know.

The universe is a grand and beautiful book, but it is written in the language of mathematics.

The greatest scientists are artists as well.

It is not enough to have a good mind; the main thing is to use it well.

The only way to escape the corruptible effect of praise is to go on working.

Science is organized knowledge. Wisdom is organized life.

The important thing is not to stop questioning. Curiosity has its own reason for existence. 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 each day.

The whole of science is nothing more than a refinement of everyday thinking.

The only true wisdom is in knowing you know nothing.

The greatest discovery of all time is that a person can change his future by merely changing his attitude.

I am enough of an artist to draw freely upon my imagination. Imagination is more important than knowledge. Knowledge is limited. Imagination encircles the world.

The only source of knowledge is experience.

The true scientist is a person who is not afraid to be wrong.

The universe is full of magical things patiently waiting for our wits to grow sharper.