你能做的最好的投资就是投资自己。
所以,在收成好的年头,百姓就仁义善良;遇到荒年,那么百姓也会吝啬而凶恶。
The essence of science is not in the knowing but in the seeking.
The beauty of science is that it allows us to explore the unknown and make discoveries that can change the world.