What was most significant about the lunar voyage was not that men set foot on the moon but that they set eye on the earth.

All men - whether they go by the name of Americans or Russians or Chinese or British or Malayans or Indians or Africans - have obligations to one another that transcend their obligations to their sovereign societies.

Words have to be crafted, not sprayed. They need to be fitted together with infinite care.

The purpose of education is to enable us to develop to the fullest that which is inside us

Nothing is more essential in the treatment of serious disease than the liberation of the patient from panic and foreboding.

Intelligence and the spirit of adventure can be combined to create new energies, and out of these energies may come exciting and rewarding new prospects.

I have learned never to underestimate the capacity of the human mind and body to regenerate - even when prospects seem most wretched. The life force may be the least understood force on earth.