2 Corinthians 4:1

Therefore having this ministry, as we have obtained mercy, we faint not;

2 Corinthians 4:16

Therefore we faint not; but if indeed our external man perishes, yet our internal man is renewed day by day.

Hebrews 12:3

For consider him who has endured so great a contradiction of sinners against himself, in order that you may not become weary, fainting in your souls.

Hebrews 12:5

and you have forgotten the exhortation which reasoneth with you as with sons, My son regard not lightly the chastening of the Lord, nor faint when thou art proven of him:

Treasury of Scripture Knowledge

Summary

But now it is come upon thee, and thou faintest; it toucheth thee, and thou art troubled.

Bible References

Thou faintest

2 Corinthians 4:1
Therefore having this ministry, as we have obtained mercy, we faint not;
Hebrews 12:3
For consider him who has endured so great a contradiction of sinners against himself, in order that you may not become weary, fainting in your souls.