Sanity is only that which is within the frame of reference of conventional thought.

But not only medicine, engineering, and painting are arts; living itself is an art in fact, the most important and at the same time the most difficult and complex art to be practiced by man.

The fact is that the culture does not have only positive effects on our intellectual and moral functions but also negative effects.

We must make a decision of values.

Creativity is the ability to see and to respond.

The experience of separateness arouses anxiety; it is, indeed, the source of all anxiety.

I am convinced that boredom is one of the greatest tortures. If I were to imagine Hell, it would be the place where you were continually bored.