Sometimes we need bread, sometimes wine, sometimes a tonic or a hormone injection, sometimes the stimulation of a colour, sometimes the magic of a so… - Pierre Teilhard de Chardin

What paralyzes life is lack of faith and lack of courage. The difficulty lies not in solving problems but in expressing them correctly; and we can now see that it is biologically undeniable that unless we harness passion to the service of spirit there can be no progress. Sooner or later, then, and in spite of all our incredulity, the world will take this step — because the greater truth always prevails and the greater good emerges in the end.

(Evolution) general condition to which all theories, all hypotheses, all systems must bow and which they must satisfy henceforward if they are to be thinkable and true. Evolution is a light which illuminates all facts, a curve that all lines must follow.

They are now beginning to realise that even the most objective of their observations are steeped in the conventions they adopted at the outset and by forms or habits of thought developed in the course of the growth of research; so that, when they reach the end of their analyses they cannot tell with any certainty whether the structure they have reached is the essence of the matter they are studying, or the reflection of their own thought. And at the same time they realise that as the result of their discoveries, they are caught body and soul to the network of relationships they thought to cast upon things from outside: in fact they are caught in their own net. A geologist would use the words metamorphism and endomorphism. Object and subject marry and mutually transform each other in the act of knowledge; and from now on man willy-nilly finds his own image stamped on all he looks at.