If one cannot state a matter clearly enough so that even an intelligent twelve-year-old can understand it, one should remain within the cloistered walls of the university and laboratory until one gets a better grasp of one’s subject matter.
The most intractable problem today is not pollution or technology or war; but the lack of belief that the future is very much in the hands of the individual.
As the traveler who has once been from home is wiser than he who has never left his own doorstep, so a knowledge of one other culture should sharpen our ability to scrutinize more steadily, to appreciate more lovingly, our own.
Laughter is man’s most distinctive emotional expression. Man shares the capacity for love and hate, anger and fear, loyalty and grief, with other living creatures. But humour, which has an intellectual as well as an emotional element belongs to man
It is utterly false and cruelly arbitrary. to put all the play and learning into childhood, all the work into middle age, and all the regrets into old age.
Our first and most pressing problem is how to do away with warfare as a method of solving conflicts between national groups within a society who have different views about how the society is to run.
Of course we need children! Adults need children in their lives to listen to and care for, to keep their imagination fresh and their hearts young and to make the future a reality for which they are willing to work.
It was not until we saw the picture of the earth, from the moon, that we realized how small and how helpless this planet is – something that we must hold in our arms and care for.
