Yanamino行不更名，坐不改姓
xíng bù gēng míng , zuò bù gǎi xìngxingbugengming,zuobugaixing
- I am who I am and not ashamed of it; to be proud of one's name and stand by one's actions
Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences