It is good to know our universe. What is new is only new to us.

I don't wait for moods - you'd never get anything done if you did.

Many people lose the small joys in the hope for the big happiness.

Exclusion is always dangerous. Inclusion is the only safety if we are to have a peaceful world.

Our children ... are not treated with sufficient respect as human beings, and yet from the moment they are born they have this right to respect. We keep them children for too long, their world separate from the real world of life.

Because psychologists have been able to discover, exactly as in a slow-motion picture, the way the human creature acquires knowledge and habits, the normal child has been vastly helped by what the retarded have taught us.

The secret of joy in work is contained in one word - excellence. To know how to do something well is to enjoy it.