Matthew 10:42
Whoever gives one of these little ones just a cup of cold water to drink in the name of a disciple, most certainly I tell you, he will in no way lose his reward.”
World English Bible (Public Domain)
In context
Before · Matthew 10:40–41
40“He who receives you receives me, and he who receives me receives him who sent me. 41He who receives a prophet in the name of a prophet will receive a prophet’s reward. He who receives a righteous man in the name of a righteous man will receive a righteous man’s reward.
42Whoever gives one of these little ones just a cup of cold water to drink in the name of a disciple, most certainly I tell you, he will in no way lose his reward.”