In Palestine few could command leisure for meditation; as for opportunities of effective intervention in affairs, they had none, it would seem, once Alexander was dead.
About 1376 Gerhard retired to this monastery and there spent three years in meditation, prayer and study, without, however, becoming a Carthusian.
This prolonged meditation on his design and its execution was ultimately well repaid by the result: so methodical did his ideas become, and so readily did his materials shape themselves, that, with the above exceptions, the original MS. of the entire six quartos was sent uncopied to the printers.
After long study and meditation, Ammonius opened a school of philosophy in Alexandria.
It would seem that he returned from Paris to his old life of study and meditation and working up his Essays.