The greatest obstacle to progress is not ignorance, but the illusion of knowledge.
进步的最大障碍不是无知，而是知识的幻觉。
你无法改变过去，但可以通过担心未来来毁掉现在。
The artist must be a child of the stars.
La vie est une comédie pour ceux qui pensent, une tragédie pour ceux qui sentent.
It is time to abandon the superstition that natural science cannot be logically respectable until philosophers solve the problem of induction.
恋爱是艰苦的，不能期待它象美梦一样出来。
You have to be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.