数学的本质在于它的自由。

Confidence comes from preparation and knowing your stuff.

创新和技术将是可持续满足世界能源需求的关键驱动力。

The quality of an organization's sustainability determines the quality of its legacy.

Freedom is not a gift, but a right that must be fought for.

There is an awful lot you can tell about a person by their shoes. Where they're going. Where they've been.