Knowledge·Wisdom, Zhuangzi

吾生也有涯，而知也无涯。

- 莊子 養生主

There is a limit to our life, but to knowledge there is no limit.

- Zhuangzi (莊子), Nourishing the Lord of Life (養生主)

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http://ctext.org/zhuangzi/nourishing-the-lord-of-life