2 Thessalonians 3:13

But you, brothers, should not get tired of doing what is right.

2 Corinthians 4:1

So, having obtained this ministry through [God's] mercy, we do not become discouraged.

1 Thessalonians 4:1

Finally then, brothers, we request and urge you, in [the fellowship of] the Lord, that you should live [dedicated lives] and please God. Just as you people received direction from us [on doing this], see that you [continue to] do it more and more.

Luke 18:1

Then Jesus told His disciples a parable for the purpose of showing them that they should pray continually and not become discouraged.

Romans 2:7

To the ones who continue doing what is good and who look for glory, honor and immortal life [God will give] never ending life.

1 Corinthians 15:28

And after everything [else] has been subjected to Christ, then the Son Himself will also be subjected [i.e., He will subject Himself] to God, who subjected everything to Christ, so that God may rule over everything.

2 Corinthians 4:16

Therefore, we do not get discouraged, for though our physical body is decaying, yet our inner person is being renewed daily.

Galatians 6:9-10

And we should not become tired of doing good things, for eventually we will receive [never ending life] if we do not give up.

Philippians 1:9

And I pray that your love may grow stronger and stronger, [along] with how much you know, and [that you may grow] in your ability to comprehend things.

Hebrews 12:3

Now think about how Jesus endured such opposition against Himself from sinners, so that you do not grow weary and become discouraged [yourself].

Hebrews 12:5

And have you forgotten the exhortation that was addressed to you as sons? [Prov. 3:11f says], "My son, do not take the discipline of the Lord lightly, and do not get discouraged when He rebukes you.

Revelation 2:3

And you have persevered and endured [suffering] for my name's sake [i.e., in my service] and [yet] have not 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
So, having obtained this ministry through [God's] mercy, we do not become discouraged.
Hebrews 12:5
And have you forgotten the exhortation that was addressed to you as sons? [Prov. 3:11f says], "My son, do not take the discipline of the Lord lightly, and do not get discouraged when He rebukes you.
Revelation 2:3
And you have persevered and endured [suffering] for my name's sake [i.e., in my service] and [yet] have not grown weary.