我们银河系的中心是一个极端物理学发生的迷人地方,能研究它是我的荣幸。
可持续发展不再是选择;它是当今世界生存的必要条件。
"The world is full of monsters with friendly faces."
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.