过去是一个异国他乡；他们做事的方式不同。

The world is changing very fast. Big will not beat small anymore. It will be the fast beating the slow.

我是你活着的原因，我是你生存的原因。

I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit.

能源的未来在于传统资源与可再生替代品之间的平衡。