The computer is the ultimate polluter: its feces are indistinguish- able from the food it produces.
在数学中,提出问题的艺术必须比解决问题更有价值。
There is no true liberty without the liberty of thought.
Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.
重要的是旅程,而不是到达。