As the scene of life would be more the cold emptiness of space than the warm, dense atmosphere of planets, the advantage of containing no organic material at all, so as to be independent of both these conditions, would be increasingly felt.

All that glitters may not be gold, but at least it contains free electrons.

The full area of ignorance is not mapped. We are at present only exploring the fringes.

Hunger and sex still dominate the primitive mammalian side of human existence, but at the present time it looks as if humanity were within sight of their satisfaction. Permanent plenty, no longer a Utopian dream, awaits the arrival of permanent peace.

We are still too close to the birth of the universe to be certain about its death.

Published papers may omit important steps and the memory of men of science, even the greatest, is sadly fallible.

The greater the man, the more he is soaked in the atmosphere of his time; only thus can he get a wide enough grasp of it to be able to change substantially the pattern of knowledge and action.