The world is full of people who have never, since childhood, met an open doorway with an open heart.

Every person you meet knows an amazing lot about something you know virtually nothing about. Your job is to discover what it is， and it won’t be obvious.

Life is a training for the soul.

Hard work beats talent when talent doesn't work hard.

The holographic principle suggests that the information content of a region of space can be encoded on its boundary, much like a hologram.

农民是最早的环保主义者，我们只需要给他们合适的工具。