When you have nobody you can make a cup of tea for, when nobody needs you, that's when I think life is over.
The world has the technology - either available or well advanced in the research pipeline - to feed on a sustainable basis a population of 10 billion people.
The essence of entrepreneurship is innovation, and the essence of innovation is risk-taking.
唯一真正的光是灵魂的光。
Roots are the branches down in the earth. Branches are roots in the air.