Philo Judaeus De Posteritate Caini 25

[25] Accordingly he is full of different opinions at different times, and sometimes, even in the same circumstances, without any new occurrence having arisen to affect them, he will be perfectly contrary to himself, —now great, now little, now hostile, now friendly; and, in short, he will, so to say, be everything that is most inconsistent in a moment of time. And, as the law-giver says, "All his life shall hang in doubt before him;" having no firm footing, but being constantly tossed about by opposing circumstances, which drag it different ways.