For I fear, lest somehow coming I might not find you as I wish, and that I shall be found by you such as you might not wish; lest somehow there be strifes, envyings, angers, contentions, backbitings, whisperings, proud thoughts, tumults;

Lest

And I went up by revelation. And I put before them the gospel which I proclaim in the nations, but privately to those seeming to be pillars, lest I run, or I ran, into vanity.

Behold, I, Paul, say to you that if you are circumcised, Christ shall profit you nothing.

Then I said, I have labored in vain; I have spent My strength for nothing, and in vain; yet surely My judgment is with Jehovah, and My work with My God.

And coming through the Phrygian and the Galatian region; and by the Holy Spirit being forbidden to speak the Word in Asia;

So that, my beloved brothers, be steadfast, immovable, always abounding in the work of the Lord, knowing that your labor is not without fruit in the Lord.

holding forth the Word of Life, so that I may rejoice with you in the day of Christ, that I have not run in vain nor labored in vain.

For this cause, when I could no longer endure, I also sent to know your faith, lest by some means the tempter may have tempted you and our labor may have been in vain.

Look to yourselves, so that we may not lose those things which we worked out, but that we may receive a full reward.

General references

But new wine must be put into new wineskins, and both are preserved together.

For if I build again the things which I destroyed, I confirm myself as a transgressor.