見微知著（見微知著）　

◎ 見微知著 jiànwēi-zhīzhù

[from one small clue one can see what is coming;from the first small beginnings one can see how things will develop] 看到微小的苗頭,就知道可能會(huì)發(fā)生顯著的變化。比喻小中見大

故圣人見微知著,睹始知終?！獫h· 袁康《越絕書》