You are never too old to set another goal or to dream a new dream.
设定新目标或做新梦想永远不会太老。
A proof is a device for convincing someone else that a mathematical statement is true.
创新和技术将是可持续满足世界能源需求的关键驱动力。
Innovation is not the privilege of a few, but an opportunity for everyone.
永远不要低估小而持续的改进的力量,随着时间的推移,它们会带来巨大的成果。