[见义勇为 / 見義勇爲, jiàn yì yǒng wéiㄐㄧㄢˋ ㄧˋ ㄩㄥˇ ㄨㄟˊ] to see what is right and act courageously (成语 saw, from Analects); to stand up bravely for the truth; acting heroically in a just cause#14716
[始作俑者, shǐ zuò yǒng zhěㄕˇ ㄗㄨㄛˋ ㄩㄥˇ ㄓㄜˇ] lit. the first person to bury funerary dolls (成语 saw); fig. the originator of an evil practise (refers to Mencius 孟子), See Also: 成语, 孟子#37337