师夷长技以制夷

Traditional (Taiwan): 師夷長技以制夷

shīchángzhì ㄕ ㄧˊ ㄔㄤˊ ㄐㄧˋ ㄧˇ ㄓˋ ㄧˊ

    • "learn from the foreigners in order to gain command of them", idea advocated by Wei Yuan 魏源 wèiyuán

Character by character

Sources