"If a man is crossing a river and an empty boat collides with his own skiff, even though he be a bad-tempered man he will not get angry. But if he sees a man in the boat, he will shout at him to steer …"

"Let's go back to the beginning. When you asked 'How do you know the happiness of fish?' you already knew that I knew it when you asked the question. I knew it by standing here on the Hao River."

"A duck’s legs are short, but if we try to lengthen them, the duck will feel pain."

"The greatest joy is to be without joy."

"When the world praises him, he is not elated; when the world condemns him, he is not dejected."