The world is in greater peril from those who tolerate or encourage evil than from those who actually commit it

A hundred times every day I remind myself that my inner and outer life are based on the labors of other men, living and dead, and that I must exert myself in order to give in the same measure as I have received and am still receiving.

All religions, arts and sciences are branches of the same tree.

The most beautiful experience we can have is the mysterious.

I believe in standardizing automobiles. I do not believe in standardizing human beings.

It is, in fact, nothing short of a miracle that the modern methods of instruction have not yet entirely strangled the holy curiosity of inquiry

A table, a chair, a bowl of fruit and a violin; what else does a man need to be happy?

A question that sometimes drives me hazy — am I or are the others crazy?

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

Life is like riding a bicycle. To keep your balance you must keep moving.

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.