translation.en: So one of the reasons that I have come here to talk about this today is to -- frankly, selfishly -- unburden myself and let it be known that this is not an untroubled mind that has written all of these books.
translation.zh: 所以今天我来这里分享的原因之一是 ——坦白说，是自私地—— 解除我自己的心理负担，让大众知道 写就这些书并非是无所忧虑的。