你可以锁上你的图书馆，但没有任何门、锁或门闩能禁锢我思想的自由。
Lock up your libraries if you like; but there is no gate, no lock, no bolt that you can set upon the freedom of my mind.
Innovation in forestry begins with respect for nature.
I always try to push my limits and see how far I can go.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
强调持续进步的重要性。