He recognized with absolute certainty the empty fragility of even the noblest theorizings as compared with the definitive plenitude of the smallest f… - Pierre Teilhard de Chardin

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 future belongs to those who give the next generation reason for hope.

We are not human beings having a spiritual experience. We are spiritual beings having a human experience.