When you get an invitation to do something in the future， ask yourself: would you accept this if it was scheduled for tomorrow？ Not too many promises will pass that immediacy filter.

I don’t like to be told what to do.

Technology is just a tool. The real challenge is to use it wisely.

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

数学是概念之间关系的科学，与内容无关。

Technology should serve people, not the other way around.

Every reader brings something different to a story.

我们必须在经济增长和环境责任之间取得平衡。