没有对生活绝望，就不会爱生活。

世界是一本书，不旅行的人只读了一页。

Innovation in coal technology is just as important as innovation in any other energy sector.

The central task of education is to implant a will and facility for learning; it should produce not learned but learning people. The truly human society is a learning society, where grandparents, parents, and children are students together.

In a world filled with hate, we must still dare to hope. In a world filled with anger, we must still dare to comfort. In a world filled with despair, we must still dare to dream. And in a world filled with distrust, we must still dare to believe.

True leadership is about empowering others to achieve their full potential.