In a state, one man's liberty ends where another's begins.
Don't wait until everything is just right. It will never be perfect. There will always be challenges, obstacles and less than perfect conditions. So what. Get started now. With each step you take, you will grow stronger and stronger, more and more skilled, more and more self-confident and more and more successful.
不要为那些不愿在你身上花费时间的人而浪费你的时间。
科学的旅程不仅仅是寻找答案，更是提出正确的问题。
弄虚作假不能长久，遮掩虚假不能长远。
Every man is a moon and has a dark side which he never shows to anybody.