The great technical advances which have been made in the past two centuries have not been made without cost. Before that period the psychiatrist was unknown because his service was not needed. Although man has done so much to improve his environment, he has also done much harm to himself. His nerve system and his muscular system are markedly weaker, his emotional nature more frayed and unstable, his faith in and sensitivity to the higher power markedly less.
-- Notebooks Category 13: Human Experience > Chapter 2: Living in The World > # 134