The number of known human fossils only increases slowly. But the manner of regarding and assessing them is capable of progressing rapidly, as indeed it does. In the absence of any absolutely sensational discovery in prehistory, there is an up-to-date and scientific manner of understanding man, which is solidly based on palaeontology.

The quantity and quality of consciousness, one may say, have always been growing throughout geological times. In this respect man, in whom nervous organisation and therefore psychological powers have attained an undisputed maximum, may be considered, scientifically, as a natural centre of evolution of the primates.

To our critical eyes, the threads of which the past is woven are, by nature, endless and indivisible. Scientifically speaking, we cannot grasp the absolute beginning of anything: everything extends backwards to be prolonged by something else.

Pierre Teilhard de Chardin Quotes