"I would employ the wise and strong of the empire, using righteousness to lead them. In this way, nothing is impossible."
「吾任天下之智力,以道御之,無所不可.」
Original text (Chinese)
Source, in full
Statement by Cao Cao around 191 during a discussion with Yuan Shao. The two compare their long term strategies, with Cao giving an abstract approach. The conversation is generaly considered to be fictional, and recorded only for allegorical effect. Source: Sanguo Zhi, page 26.