en_tn/php/02/03.md

Do nothing through selfishness or empty pride

"Never do anything that only makes you happy or makes you feel more important than other people"

in lowliness of mind

Here the word "mind" refers to our attitude and how we think about others. This can be translated as "be humble and consider." (See: rc://en/ta/man/translate/figs-metonymy)

Do not look out for each of your own needs

The phrase "look out" is an idiom that means "take care of" or "be concerned with." This can be translated as "do not only be concerned with your own needs." (See: rc://en/ta/man/translate/figs-idiom)