There is no human failure greater than to launch a profoundly important endeavour and then leave it half done. This is what the West has done with its colonial system. It shook all the societies in the world loose from their old moorings. But it seems indifferent whether or not they reach safe harbour in the end.

In the home we make certain distinctions about functions of rooms and corridors; we do not deliver the groceries straight into the baby's crib. In hospitals we do not take the food trolleys right through the operating chamber, and we rarely have the recreation room next to the convalescent room. We sort out the functions. We have to sort out the functions of the city and the streams of traffic and re-create arterial systems that allow us to breathe ... the shape, pattern and sense of community which you expect if it were a home.

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.

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

The modern world is not given to uncritical admiration. It expects its idols to have feet of clay and can be reasonably sure that the press and camera will report their exact dimensions.

The raw material from which social institutions are fashioned is always more or less recalcitrant and any human society will tend to produce a caricature of itself.