Self-Denial: should be Exercised in not Seeking out own Profit
Source: TTT
1 Corinthians 10:24, 33
No one should seek his own good, but the good of others. / as I also try to please everyone in all I do. For I am not seeking my own good, but the good of many, that they may be saved.
1 Corinthians 13:5
It is not rude, it is not self-seeking, it is not easily angered, it keeps no account of wrongs.
Philippians 2:4
Each of you should look not only to your own interests, but also to the interests of others.