2 Corinthians 9:6-8
But it is this, he that soweth sparingly shall also reap sparingly; and he that soweth bountifully shall also reap bountifully.
Matthew 25:40
And the King responding will say unto them, Truly I say unto you, Inasmuch as ye did these things to one of the least of these my brethren, you did them unto me.
Hebrews 6:10
For God is not unrighteous to forget your work and the divine love which you manifested in his name, having ministered to the saints, and ministering.
Matthew 10:41-42
The one receiving a prophet in the name of a prophet shall receive the reward of a prophet; and the one receiving a righteous man in the name of a righteous man shall receive the reward of a righteous man.
Luke 6:38
Forgive, and you shall be forgiven: give, and it shall be given unto you; good measure, heaped up, and shaken down, and running over, they will give into your bosom. For with the same measure, which you measure, it will be measured unto you.
Philippians 4:17
Not that I seek a gift; but I seek fruit abounding to your credit.