量子引力问题不仅是物理学的问题，也是科学哲学的问题。
The future of art lies in its ability to become invisible.
"Silence can be louder than words, if you know how to listen."
"To write is to breathe, to live, to exist beyond the boundaries of time."
人生没有绝对的公平，但相对还是公平的。