The more you know, the less you understand.

We are just an advanced breed of monkeys on a minor planet of a very average star. But we can understand the Universe. That makes us something very special.

The key to success is to keep growing in all areas of life - mental, emotional, spiritual, as well as physical.

The world is so unpredictable. Things happen suddenly, unexpectedly. We want to feel we are in control of our own existence. In some ways we are, in some ways we're not. We are ruled by the forces of chance and coincidence.

当每一分钱都要精打细算，犯错的空间就消失了。