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為兒童寫作是一種責任——他們應該得到真相，即使真相很難。

Believe you can and you're halfway there.

The science of government it is my duty to study, more than all other sciences; the arts of legislation and administration and negotiation ought to take the place of, indeed exclude, in a manner, all other arts.

循環經濟不是理想，只要我們致力于此，它是可以實現的現實。

成功的關鍵不僅是技術，而是如何用它解決實際問題。