Without you, without your onslaughts, without your uprootings of us, we should remain all our lives inert, stagnant, puerile, ignorant both of oursel… - Pierre Teilhard de Chardin

His understanding of the method by which organisms become first individualised and then personalised gave him a number of valuable insights. Basically, the process depends on cephalisation — the differentiation of a head as the dominant guiding region of the body, forwardly directed, and containing the main sense-organs providing information about the outer world and also the main organ of co-ordination or brain.

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.

The world, this palpable world, which we were wont to treat with the boredom and disrespect with which we habitually regard places with no sacred association for us, is in truth a holy place, and we did not know it. Venite, adoremus.