I’m a very positive thinker, and I think that is what helps me the most in difficult moments.

Sustainability isn't an option; it's our responsibility to the next generation.

When someone makes a decision, he is really diving into a strong current that will carry him to places he had never dreamed of when he first made the decision.

历史不是过去——它是我们为组织对过去的无知而演变出的方法。

道德情操论是政治经济学理论的基础。