Our physical unity has gone far ahead of our moral unity.

Our physical unity has gone far ahead of our moral unity.

It is a fact of history that those who seek to withdraw from its great experiments usually end up being overwhelmed by them.

Fear can indeed be the beginning of wisdom.

We cannot cheat on DNA. We cannot get round photosynthesis. We cannot say I am not going to give a damn about phytoplankton. All these tiny mechanisms provide the preconditions of our planetary life. To say we do not care is to say in the most literal sense that "we choose death."

man's oldest and least reputable occupation - war.

It is very much easier for a rich man to invest and grow richer than for the poor man to begin investing at all. And this is also true of nations.