'Activity' in the Bible

And I set my mind to seek and explore by [man’s] wisdom all [human activity] that has been done under heaven. It is a miserable business and a burdensome task which God has given the sons of men with which to be busy and distressed.

When I applied my mind to know wisdom and to see the activities [of mankind] that take place upon the earth—how some men seem to sleep neither day nor night—

The word of the Lord came to me, saying, “Jeremiah, what do you see?” And I said, “I see the branch of an almond tree.”

I will make your horde [of people] fall by the swords of the mighty—all of them are tyrants among the nations,And they will devastate the pride and presumption of Egypt,And all its hordes will be destroyed.

so that we may preach the gospel even in the lands beyond you, but not to boast in work already accomplished in another one’s field of activity.

The coming of the [Antichrist, the lawless] one is through the activity of Satan, [attended] with great power [all kinds of counterfeit miracles] and [deceptive] signs and false wonders [all of them lies],