Simplicity is a great virtue but it requires hard work to achieve it and education to appreciate it. Simplicity is the ultimate sophistication.
简单性是一种伟大的美德，但需要努力工作才能实现，需要教育才能欣赏。简单性是最终的复杂性。
The best time to sell a stock is almost never.
"The present is a fragile bridge between the past and the future."
We can’t ignore the economic role of coal, but we also can’t ignore its environmental impact.
最好的报复是巨大的成功。