His energetic defence of his imposture began to slacken and in 1706 he confessed , first to friends and then to the general public .
Psalmanazar 's claims became increasingly less credible as time went on and knowledge of Formosa from other sources began to contradict his claims .
Psalmanazar 's energetic defence of his imposture began to slacken and in 1706 he confessed , first to friends and then to the general public .
Psalmanazar 's claims became increasingly less credible as time went on and knowledge of Formosa from other sources began to contradict his claims .