If you don't fail, you're not innovating enough.

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.

以孩子们能理解的方式写一些困难的主题是很重要的。

逝者在他们的DNA中留下了线索。

我相信只要你付出努力，结果自然会来。