De Sacrificiis Abelis Et Caini

now the most suitable time is when God shall lead thee into fluctuating reason, that is to say, into the land of the Canaanites, not in any chance manner, but in the manner in which he himself swore that he would; not in order that being tossed about hither and thither in the surf and tempest and heavy waves, you may be deprived of all rest or stability, but that having escaped from such agitation you may enjoy fine weather and a calm, and reaching virtue as a place of refuge, or port, or harbour of safety for ships, may lie in safety and steadiness.