最危险的故事是那些真实的故事。
每一种东西的价格都会因时间和地点的不同而涨落;每一次这样的变化都会改变货币的购买力。
The only way to have a friend is to be one.
科学的美丽在于它不断发展和挑战我们对世界的理解的能力。
We are all in the gutter, but some of us are looking at the stars.
The best ideas often come from challenging the status quo.