We must invest in people as much as we invest in technology - our workforce is our greatest asset.
The most important political development of the last half century has been the spread of liberal democracy around the world.
Every word is a choice, and every choice changes the world.
热力学第二定律,以克劳修斯给出的形式,告诉我们自然界存在趋向某种我们称之为热平衡状态的倾向。