Is evolution a theory, a system, or a hypothesis? It is much more it is a general postulate to which all theories, all hypotheses, all systems must henceforward bow and which they must satisfy in order to be thinkable and true. Evolution is a light which illuminates all facts, a trajectory which all lines of thought must follow this is what evolution is.

Instead of standing on the shore and proving to ourselves that the ocean cannot carry us, let us venture on its waters just to see.

By means of all created things, without excaption, the divine assails us, penetrates us, and molds us. We imagined it as distant and inaccessible, when in fact we live steeped in its burning layers

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.

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

The most telling and profound way of describing the evolution of the universe would undoubtedly be to trace the evolution of love.

We had thought that we were human beings making a spiritual journey; it may be truer to say that we are spiritual beings making a human journey.