To study history is to learn the grammar of time.
真理是永恒不变的。
The best books are the ones that children want to read again and again.
故事的力量在于它可以改变你看世界的方式。
我们这些幸运的人有责任回馈社会。至于是像我这样边走边捐,还是像沃伦那样先捐一点,然后(死后)再捐很多,这是个人喜好问题。
Coal isn't the problem - how we use it is. The solution lies in cleaner technologies and better utilization.