2 Corinthians 4:1

Therefore, having this ministry through the mercy we received, we are not fainthearted;

1 Corinthians 7:25

Now concerning virgins, I have no commandment of the Lord; but I give my judgment, as one that hath obtained mercy of the Lord to be faithful.

2 Corinthians 3:6

who also gave us ability to be ministers of a new covenant, not of the letter, but of the Spirit; for the letter killeth, but the Spirit giveth life.

2 Corinthians 4:16

For which cause we are not fainthearted; but though our outward man is perishing, yet the inward man is renewed day by day.

Galatians 6:9

And let us not be fainthearted in welldoing; for in due season we shall reap, if we faint not.

Ephesians 3:13

Wherefore I entreat you not to be disheartened by the troubles I am suffering for you, since they are your glory.

2 Thessalonians 3:13

But ye, brethren, be not weary in welldoing.

1 Timothy 1:13

though formerly I was a blasphemer, and a persecutor, and a doer of outrage; but I obtained mercy, because I did it ignorantly, in unbelief;

2 Corinthians 3:12

Having therefore such hope, we use great plainness of speech;

2 Corinthians 5:18

And all things are from God, who reconciled us to himself by Christ, and gave to us the ministry of reconciliation;

Ephesians 3:7-8

of which I became a minister according to the gift of the grace of God, given to me according to the effectual working of his power.

Philippians 4:13

I can do all things in him who strengtheneth me.

Hebrews 12:3

For consider him that endured such contradiction by sinners against him, lest ye faint in your souls, and become weary.

1 Peter 2:10

who once were not a people, but are now the people of God; who had not obtained mercy, but now have obtained mercy.

Revelation 2:3

and thou hast endurance, and hast borne on account of my name, and hast not become weary.

Treasury of Scripture Knowledge

Bible References

Seeing

2 Corinthians 3:6
who also gave us ability to be ministers of a new covenant, not of the letter, but of the Spirit; for the letter killeth, but the Spirit giveth life.
2 Corinthians 5:18
And all things are from God, who reconciled us to himself by Christ, and gave to us the ministry of reconciliation;
Ephesians 3:7
of which I became a minister according to the gift of the grace of God, given to me according to the effectual working of his power.

As

1 Corinthians 7:25
Now concerning virgins, I have no commandment of the Lord; but I give my judgment, as one that hath obtained mercy of the Lord to be faithful.
1 Timothy 1:13
though formerly I was a blasphemer, and a persecutor, and a doer of outrage; but I obtained mercy, because I did it ignorantly, in unbelief;
1 Peter 2:10
who once were not a people, but are now the people of God; who had not obtained mercy, but now have obtained mercy.

We faint not

2 Corinthians 4:16
For which cause we are not fainthearted; but though our outward man is perishing, yet the inward man is renewed day by day.
Galatians 6:9
And let us not be fainthearted in welldoing; for in due season we shall reap, if we faint not.
Ephesians 3:13
Wherefore I entreat you not to be disheartened by the troubles I am suffering for you, since they are your glory.
Philippians 4:13
I can do all things in him who strengtheneth me.
2 Thessalonians 3:13
But ye, brethren, be not weary in welldoing.
Revelation 2:3
and thou hast endurance, and hast borne on account of my name, and hast not become weary.

General references

1 Corinthians 2:3
And I was with you in weakness, and in fear, and in much trembling;
3 John 1:5
Beloved, thou doest a faithful thing whatever thou doest to the brethren, and that to strangers,