Do not become weary in doing good

“Let us not become weary in doing good, for at the proper time we will reap a harvest if we do not give up.” (Gal. 6:9 NIV)

It is pleasing to God

“Do not neglect to do good and to share what you have, for such sacrifices are pleasing to God.” (Heb. 13:16 ESV)

Commanded and encouraged

“Now such persons we command and encourage in the Lord Jesus Christ to do their work quietly and to earn their own living. As for you, brothers, do not grow weary in doing good.” (2 Thess. 3:12-13 ESV)

Be steadfast and immovable

“Therefore, my beloved brothers, be steadfast, immovable, always abounding in the work of the Lord, knowing that in the Lord your labor is not in vain.” (1 Cor. 15:58 ESV)

And finally

“Finally, then, brothers, we ask and urge you in the Lord Jesus, that as you received from us how you ought to walk and to please God, just as you are doing, that you do so more and more.” (1 Thess. 4:1 ESV)