书是一次心灵的旅程。

I'm not afraid of aging. I think it's a privilege to grow old.

"There is no such thing as a new idea. It is impossible. We simply take a lot of old ideas and put them into a sort of mental kaleidoscope. We give them a turn and they make new and curious combinations."

Innovation requires courage and the willingness to break conventions.

我不喜欢做简单的事情。我喜欢做有挑战性并能推动我的事情。

That “democracy” is a somewhat vague term which I cannot define precisely. We ought to say, therefore: “I am fairly certain that it is a good thing if a government has something of the characteristics that are common to the British and American Constitutions,” or something of this sort.