2 Thessalonians 3:13

You, Brothers, must not grow weary of doing what is right.

2 Corinthians 4:1

Therefore, since it is by God's mercy that we are engaged in this ministry, we do not lose heart.

1 Thessalonians 4:1

Further, Brothers, we beg and exhort you in the name of our Lord Jesus to carry out more fully than ever--as indeed you are already doing--all that you have heard from us as to what your daily life must be, if it is to please God.

Luke 18:1

Jesus told his disciples a parable to show them that they should always pray and never despair.

Romans 2:7

To those who, by perseverance in doing good, aim at glory, honor, and all that is imperishable, he will give Immortal Life;

1 Corinthians 15:28

And, when everything has been placed under him, the Son will place himself under God who placed everything under him, that God may be all in all!

2 Corinthians 4:16

Therefore, as I said, we do not lose heart. No, even though outwardly we are wasting away, yet inwardly we are being renewed day by day.

Galatians 6:9-10

Let us never tire of doing right, for at the proper season we shall reap our harvest, if we do not grow weary.

Philippians 1:9

And what I pray for is this--that your love may grow yet stronger and stronger, with increasing knowledge and all discernment,

Hebrews 12:3

Weigh well the example of him who had to endure such opposition from 'men who were sinning against themselves,' so that you should not grow weary or faint-hearted.

Hebrews 12:5

and you have forgotten the encouraging words which are addressed to you as God's Children-- 'My child, think not lightly of the Lord's discipline, do not despond when he rebukes you;

Revelation 2:3

You possess endurance, and have borne much for my Name, and have never grown weary.

Treasury of Scripture Knowledge

Summary

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

Bible References

Be not weary

2 Corinthians 4:1
Therefore, since it is by God's mercy that we are engaged in this ministry, we do not lose heart.
Hebrews 12:5
and you have forgotten the encouraging words which are addressed to you as God's Children-- 'My child, think not lightly of the Lord's discipline, do not despond when he rebukes you;
Revelation 2:3
You possess endurance, and have borne much for my Name, and have never grown weary.