It is curious to note the old sea-margins of human thought! Each subsiding century reveals some new mystery; we build where monsters used to hide themselves. – Henry Wadsworth Longfellow, Kavanagh, 1849

The reason why the world lacks unity, and lies broken and in heaps, is, because man is disunited with himself. – Ralph Waldo Emerson

The belief in a supernatural source of evil is not necessary; men alone are quite capable of every wickedness. – Joseph Conrad, Under Western Eyes, 1911