1 sweep the snow from your own door step, don't worry about the frost on your neighbor's roof (idiom)
吉人自有天相
jí rén zì yǒu tiān xiàng
1 Heaven helps the worthy (idiom)
吐丝自缚
tǔ sī zì fù
1 to spin a cocoon around oneself (idiom); enmeshed in a trap of one's own devising
2 hoist with his own petard
吴下阿蒙
Wú xià ā Méng
1 General Lü Meng 呂蒙|吕蒙 of the southern state of Wu (idiom); model of self-improvement by diligent study (from unlettered soldier to top strategist of Wu)
咎由自取
jiù yóu zì qǔ
1 to have only oneself to blame (idiom)
2 to bring trouble through one's own actions
唾面自干
tuò miàn zì gān
1 to be spat on in the face and let it dry by itself, not wiping it off (idiom); to turn the other cheek
2 to drain the cup of humiliation
善自为谋
shàn zì wéi móu
1 to be good at working for one's own profit (idiom)