Citing the numerous promising paranormal claims that were shown to be fraudulent, Clarke described his earlier openness to the paranormal having turned to being "an almost total sceptic" by the time of his 1992 biography.
Amintind de numeroasele promisiuni paranormale care s-au dovedit a fi înșelăciuni, Clarke a vorbit despre transformarea deschiderii sale inițialeîntr-un „scepticism aproape total” la data scrierii biografiei sale din 1992.