[一人得道鸡犬升天 / 一人得道雞犬升天, yī rén dé dào jī quǎn shēng tiānㄧ ㄖㄣˊ ㄉㄜˊ ㄉㄠˋ ㄐㄧ ㄑㄩㄢˇ ㄕㄥ ㄊㄧㄢ] lit. one man achieves the Dao, cock and dog fly heavenwards (成语 saw); fig. to ride on sb else's success; Once one man gets a government position, all his cronies get in too.; Once sb has cracked the problem, every Tom, Dick and Harry can do it.
[得道多助,失道寡助, dé dào duō zhù, shī dào guǎ zhùㄉㄜˊ ㄉㄠˋ ㄉㄨㄛ ㄓㄨˋ, ㄕ ㄉㄠˋ ㄍㄨㄚˇ ㄓㄨˋ] A just cause attracts much support, an unjust one finds little (成语 saw, from Mencius)