2 Each of us must please his neighbour, doing him good by building up his faith.
Romans 15:2 Cross References - Moffatt
Romans 14:19
19 Peace, then, and the building up of each other, these are what we must aim at.
1 Corinthians 9:19-22
19 Why, free as I am from all, I have made myself the slave of all, to win over as many as I could.
20 To Jews I have become like a Jew, to win over Jews; to those under the Law I have become as one of themselves — though I am not under the Law myself — to win over those under the Law;
21 to those outside the Law I have become like one of themselves — though I am under Christ's law, not outside God's Law — to win over those outside the Law;
22 to the weak I have become as weak myself, to win over the weak. To all men I have become all things, to save some by all and every means.
1 Corinthians 10:24
24 Each of us must consult his neighbour's interests, not his own.
1 Corinthians 10:33-11:1
33 Such is my own rule, to satisfy all men in all points, aiming not at my own advantage but at the advantage of the greater number — at their salvation.
1 Corinthians 13:5
5 is never rude, never selfish, never irritated, never resentful;