1 Corinthians 9:22

To the weak I became [as the] weak, to win the weak. I have become all things to all men, so that I may by all means [in any and every way] save some [by leading them to faith in Jesus Christ].

1 Corinthians 10:33

just as I please everyone in all things [as much as possible adapting myself to the interests of others], not seeking my own benefit but that of the many, so that they [will be open to the message of salvation and] may be saved.

Romans 11:14

in the hope of somehow making my fellow countrymen jealous [by stirring them up so that they will seek the truth] and perhaps save some of them.

Romans 15:1

Now we who are strong [in our convictions and faith] ought to [patiently] put up with the weaknesses of those who are not strong, and not just please ourselves.

2 Corinthians 11:29

Who is weak, and I do not feel [his] weakness? Who is made to sin, and I am not on fire [with sorrow and concern]?

1 Corinthians 7:16

For how do you know, wife, whether you will save your husband [by leading him to Christ]? Or how do you know, husband, whether you will save your wife [by leading her to Christ]?

1 Corinthians 9:19

For though I am free from all men, I have made myself a slave to everyone, so that I may win more [for Christ].

1 Corinthians 8:13

Therefore, if [my eating a certain] food causes my brother to stumble (sin), I will not eat [such] meat ever again, so that I will not cause my brother to stumble.

Galatians 6:1

Brothers, if anyone is caught in any sin, you who are spiritual [that is, you who are responsive to the guidance of the Spirit] are to restore such a person in a spirit of gentleness [not with a sense of superiority or self-righteousness], keeping a watchful eye on yourself, so that you are not tempted as well.

Treasury of Scripture Knowledge

Summary

To the weak became I as weak, that I might gain the weak: I am made all things to all men, that I might by all means save some.

Bible References

To the weak

1 Corinthians 8:13
Therefore, if [my eating a certain] food causes my brother to stumble (sin), I will not eat [such] meat ever again, so that I will not cause my brother to stumble.
Romans 15:1
Now we who are strong [in our convictions and faith] ought to [patiently] put up with the weaknesses of those who are not strong, and not just please ourselves.
2 Corinthians 11:29
Who is weak, and I do not feel [his] weakness? Who is made to sin, and I am not on fire [with sorrow and concern]?
Galatians 6:1
Brothers, if anyone is caught in any sin, you who are spiritual [that is, you who are responsive to the guidance of the Spirit] are to restore such a person in a spirit of gentleness [not with a sense of superiority or self-righteousness], keeping a watchful eye on yourself, so that you are not tempted as well.

I am

1 Corinthians 10:33
just as I please everyone in all things [as much as possible adapting myself to the interests of others], not seeking my own benefit but that of the many, so that they [will be open to the message of salvation and] may be saved.

That i might by

1 Corinthians 9:19
For though I am free from all men, I have made myself a slave to everyone, so that I may win more [for Christ].
1 Corinthians 7:16
For how do you know, wife, whether you will save your husband [by leading him to Christ]? Or how do you know, husband, whether you will save your wife [by leading her to Christ]?
Romans 11:14
in the hope of somehow making my fellow countrymen jealous [by stirring them up so that they will seek the truth] and perhaps save some of them.

General references

Luke 11:37
Now after Jesus had spoken, a Pharisee asked Him to have lunch with him. He went in [the Pharisee’s home] and reclined at the table [without ceremonially washing His hands].
Romans 15:2
Let each one of us [make it a practice to] please his neighbor for his good, to build him up spiritually.
1 Corinthians 10:33
just as I please everyone in all things [as much as possible adapting myself to the interests of others], not seeking my own benefit but that of the many, so that they [will be open to the message of salvation and] may be saved.
2 Corinthians 6:3
we put no obstruction in anyone’s path, so that the ministry will not be discredited,