自动控制的根本问题是在存在干扰的情况下维持期望状态。

世界充满了魔法，你只需要相信它。

Think wrongly, if you please, but in all cases think for yourself.

解析：保持纯洁朴实的本性，减少私欲杂念，抛弃圣智礼法的浮文，才能免于忧患。

If you can make meat directly from plants, why would you need an animal?

You can't let praise or criticism get to you. It's a weakness to get caught up in either one.

"The truth is rarely pure and never simple."

心有其所不知的理由。

生活的美在于它的不可预测性；正是这一点让它值得活下去。