| For truly, in the science of aviation a day is a generation, and three months an eon. |
| Less formally, eon often refers to a span of one billion years. |
| Judaism, consequently, was presented not as a religion of immutable truths but as one for which each cycle, or eon, was said to have a different Torah. |
| Only once in an eon or so is it vouchsafed a writer to write a masterpiece at the age of nine years. |
| And in an eon of lying they never have run up against a short-circuit like that. |
| Each change was supposed to denote the birth of some angel or celestial being known as an eon. |
