First among the features of the great [paleolithic] caves that are of paramount importance to our study is the fact that these deep, labyrinthine grottos were not dwellings but sanctuaries . . . The enigmatic figures painted into the crypts and deepest recesses of the caves almost certainly hold in their silence the myths of the ultimate source of the magical efficacy of these magnificent shrines.
The Masks of God, Volume 1: Primitive Mythology
Its main result for me has been the confirmation of a thought I have long and faithfully entertained: of the unity of the race of man, not only in its biology, but also in its spiritual history, which has everywhere unfolded in the manner of a single symphony, with its themes announced, developed, amplified and turned about, distorted, reasserted, and today, in a grand fortissimo of all sections sounding together, irrestibly advancing to some kind of mighty climax, out of which the next great movement will emerge.