数往知来

Pinyin: shǔ wǎng zhī lái Usage: 联合式；作谓语、定语；指知道前事，可以推知未来 Explanation: 数：计算；往：过去；来：未来。明了过去，可以推知未来。 Source: 《周易·说卦》：“数往者顺，知来者逆。” Thesaurus:  foresee the future by reivewing the past, kill two birds with one stone, serve a double purpose, A stitch in time saves nine., (literally) to kill two birds with one arrow--to win the affection of two beauties at the same time Antonym Group:  Citation Dove quench one's thirst, kill the hen to get the eggs, kill the goose that lays the golden eggs, Agriculture, Fisheries and dry Ze, drain the pond to get all the fish, drink poison to quench one's thrist