我不贪心
[wŏ bù tān xīn]
In English it says 'I'm not greedy'. It expresses contentment with current condition and status while declining extra stuff, reflecting owner of this id doesn't aim for more but cherishing whatever now they own. On the other hand it also means he/she will never expect or try to pursue for extra benefits, which can be considered positive (satisfactory, easy-going), or seen negative (lacking aspirations).