2 Thessalonians 3:13

But you, brethren, be not weary doing well.

2 Corinthians 4:1

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

1 Thessalonians 4:1

Finally therefore, brethren, we pray you and exhort you in the Lord Jesus, that as you received from us how it behooves you to walk about and to please God, as you do indeed walk about, in order that you may abound more and more.

Luke 18:1

And He spoke a parable to them that it behooves them to pray always, and not to faint;

Romans 2:7

to those indeed who with patience of good work are seeking glory and honor and immortality, eternal life:

1 Corinthians 15:28

But when he may subordinate all things to him, then the Son himself will also be subordinated to him who hath subordinated all things to Himself, in order that God may be all things in all.

2 Corinthians 4:16

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

Galatians 6:9-10

But let us not get weary doing that which is good: for in due time we will reap, fainting not.

Philippians 1:9

And I pray this, that your divine love may yet more and more abound in perfect knowledge and all understanding;

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:

Revelation 2:3

and you have patience and have borne with them for my name's sake, and have not fainted.

Treasury of Scripture Knowledge

Summary

But ye, brethren, be not weary in well doing.

Bible References

Be not weary

2 Corinthians 4:1
Therefore having this ministry, as we have obtained mercy, we faint not;
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:
Revelation 2:3
and you have patience and have borne with them for my name's sake, and have not fainted.