Efficiency in farming should never come at the cost of animal welfare.
把一些多余的技巧还给大自然，把一些用不完的俸禄还给国家，把一些用不能完的财富还给百姓，把一些用不尽的福泽造福子孙。
星星不仅仅是光点，而是通向过去的窗户。
Watch your thoughts, for they become words. Watch your words, for they become actions. Watch your actions, for they become habits. Watch your habits, for they become your character. And watch your character, for it becomes your destiny. What we think, we become.
物理学的美丽在于它能够用几个简单的方程来描述宇宙。