科学的进步不是一条直线,而是一个螺旋,总是在前进,又总是回到起点。
To be a writer is to accept that you will always be alone with your thoughts.
旧梦是好梦,没有实现,但是我很高兴我有过这些梦。
Education is the most powerful weapon which you can use to change the world.
Follow your heart and do what you love.