We have only to believe. And the more threatening and irreducible reality appears, the more firmly and desperately we must believe. Then, little by little, we shall see the universal horror unbend, and then smile upon us, and then take us in its more than human arms.

We have reached a crossroads in human evolution where the only road which leads forward is towards a common passion. . . To continue to place our hopes in a social order achieved by external violence would simply amount to our giving up all hope of carrying the Spirit of the Earth to its limits.

From an evolutionary point of view, man has stopped moving, if he ever did move.

Specialisation paralyses, ultra-specialisation kills. Palaeontology is littered with such catastrophes.

Joy is the sheer evidence of God.

Mankind is still embryonic ... [man is] the bud from which something more complicated and more centered than man himself should emerge.

The world is round so that friendship may encircle it.