Matthew 10:41-42 NIV

41 Anyone who receives a prophet because he is a prophet will receive a prophet's reward, and anyone who receives a righteous man because he is a righteous man will receive a righteous man's reward.
42 And if anyone gives even a cup of cold water to one of these little ones because he is my disciple, I tell you the truth, he will certainly not lose his reward."1

References for Matthew 10:42