Hail to the man who went through life always helping others, knowing no fear, and to whom aggressiveness and resentment are alien

I love to travel, but I hate to arrive.

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

Although I am a typical loner in daily life, my consciousness of belonging to the invisible community of those who strive for truth, beauty, and justice has preserved me from feeling isolated.

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

The years of anxious searching in the dark, with their intense longing, their alternations of confidence and exhaustion, and final emergence into light—only those who have experienced it can understand that.

Let us not forget that human knowledge and skills alone cannot lead humanity to a happy and dignified life

I have no special talent. I am only passionately curious.

He who can no longer pause to wonder and stand rapt in awe, is as good as dead; his eyes are closed.

Invention is not the product of logical thought, even though the final product is tied to a logical structure.

Science can flourish only in an atmosphere of free speech.

I speak to everyone in the same way, whether he is the garbage man or the president of the university.

A happy man is too satisfied with the present to dwell too much on the future.

The great moral teachers of humanity were, in a way, artistic geniuses in the art of living.

Man would indeed be in a poor way if he had to be restrained by fear of punishment and hopes of reward after death.

Only those who attempt the absurd can achieve the impossible.

It is better to believe than to disbelieve; in so doing you bring everything to the realm of possibility.

If you want to live a happy life, tie it to a goal, not to people or things.

A ship is always safe at the shore – but that is NOT what it is built for.