Date (happened)
before 1972 (possible)
qualifying source passages 553763; telling lecture nids 2137
Told / reported
1972 (probable)
Immortal Man (nid 2137), telling 2137-7, told 1972
Persons
Neville states from his own experience that an assumption, though denied by the senses and called false by the world, will harden into fact if persisted in.