The barbarian weapon is fission: the splitting asunder. It has been perfected for death. Our only weapon is fusion: an imperfect process still, though designed for life.

I would call an intellectual one whose instrument of work - his mind - is also his major source of pleasure; a man whose entertainment is his intelligence.

The earth we abuse and the living things we kill will, in the end, take their revenge; for in exploiting their presence we are diminishing our future.

People on horses look better than they are. People in cars look worse than they are.

To lead means to direct and to exact, and no man dares do either - he might be unpopular. What authority we are given now is a trinity: the grin, the generality, and God (the Word).

It is not enough to show people how to live better; there is a mandate for any group with enormous powers of communication to show people how to be better.

The world of sight is still limitless. It is the artist who limits vision to the cramped dimensions of his own ego.