The heart’s silence is the loudest cry.
Art is a way of seeing the world differently.
I have come to believe that a great teacher is a great artist and that there are as few as there are any other great artists. Teaching might even be the greatest of the arts since the medium is the human mind and spirit.
Education is the most powerful weapon which you can use to change the world.
"In computer science, we are always trying to find the balance between expressiveness and tractability."
"你越是试图理解影子，就越少知道。"