Every time I write a book, every time I face that blank page, I’m convinced that I can’t do it.

True luxury lies in the details that most people don't even notice at first glance.

The best scientists are those who never stop asking why.

A tranquil soul is wiser than a distracted one.

Simplicity is the ultimate sophistication.

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.

生命最大的用途是将其投入到比生命更持久的事物中。