“[I]t remains true that, expressed in forms that are infinitely varied, there can ultimately be only one psychological axis of spiritual progress towards God. Even if they are expressed in completely subjective terms, many of the things I am going to say must necessarily have their equivalents in temperaments different from my own—and they must raise a sympathetic echo in them. Man is essentially the same in all of us, and we have only to look sufficiently deeply within ourselves to find a common substratum of aspirations and illumination. To put it in a way which already expresses my fundamental thesis: ‘

Teilhard de Chardin, Pierre (2002-11-18). Christianity and Evolution (Harvest Book, Hb 276) (Kindle Locations 1250-1255). Houghton Mifflin Harcourt. Kindle Edition.