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.

The gaps in power, the gaps in wealth, the gaps in ideology which hold the nations apart also make up the abyss into which mankind can fall to annihilation.

the distinction between rich nations and poor nations is one of the great dominant political and international themes of our century.

There is no human failure greater than to launch a profoundly important endeavour and then leave it half done.

Fear can indeed be the beginning of wisdom.

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

Faith will not be restored in the West because people believe it to be useful. It will return only when they find that it is true.