https://mygreatmaster.com/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-matthew-1042/
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." Matthew 10:42