子曰：“学而时习之，不亦悦乎？有朋自远方来，不亦乐乎？人不知，而不愠，不亦君子乎？”
孔子说：“经常学习，不也喜悦吗？远方来了朋友，不也快乐吗？得不到理解而不怨恨，不也是君子吗？”
"The role of a leader is to create an environment where people can do their best work."
预测未来的最好方法就是创造未来。
I'm not a present, I'm a gift.
The spread of liberal democracy around the world is not inevitable, but it is the most likely outcome of the historical process.
我们需要找到方法使能源储存更高效和可持续。
