Espionage, for the most part, involves finding a person who knows something or has something that you can induce them secretly to give to you. That almost always involves a betrayal of trust. ↗
Sanctification is not to be understood here as a separation from ordinary use or consecration to some special use, although this meaning is often present in Scripture, sometimes referring to outward and sometimes to inward or effectual separation. ↗
There is sometimes a peculiar confusion in the West that equates progress to whatever is recent or whatever is new, and it is time we understood that progress has nothing to do with the chronology of an idea. ↗