鉴往知来

Explanation: KAM: scrutiny or cited as lessons learned; to: the past; to: the future. Based on previous cases we will know how to change the future. 　　Usage: -Linked; as attribute, object, clause; scrutiny in the past to infer the future 　　Source: "Book of Daya swing": "pernicious, in the summer after the world." 　　Examples: "~", History and Science has presented us with irrefutable evidence. (Mu "primitive shadow") Thesaurus:  Understanding of the past few, 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