百里を行く者は九十を半ばとす(ひゃくりをゆくものはくじゅうをなかばとす)

日文單字

意思:百里者九十

English: don't count your chickens before they're hatched; there's many a slip 'twixt the cup and the lip; consider a journey of 100 ri to be halfway completed at 90

在真實作品中的用例