'Thing' in the Bible

I wrote this very thing so that when I came I wouldn’t have pain from those who ought to give me joy, because I am confident about all of you that my joy will also be yours.

And the One who prepared us for this very purpose is God, who gave us the Spirit as a down payment.

Therefore, come out from among themand be separate, says the Lord;do not touch any unclean thing,and I will welcome you.

For consider how much diligence this very thing—this grieving as God wills—has produced in you: what a desire to clear yourselves, what indignation, what fear, what deep longing, what zeal, what justice! In every way you showed yourselves to be pure in this matter.

and every high-minded thing that is raised up against the knowledge of God, taking every thought captive to obey Christ.

So it is no great thing if his servants also disguise themselves as servants of righteousness. Their destiny will be according to their works.