It is not necessary to take life too seriously. You will never get out of it alive.
The world is a great book, of which they that never stir from home read only a page.
In nature, we find solace for our souls and answers to our deepest questions.
The pursuit of mathematical knowledge is a journey that never ends, filled with endless curiosity and wonder.
最成功的现代国家是那些能够利用市场力量,同时保持一个能够提供公共产品和规范私人活动的强大国家的国家。
You can't let praise or criticism get to you. It's a weakness to get caught up in either one.