一个地方的灵魂常常隐藏在它的寂静中。

The only real prison is the one we build for ourselves.

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.

Success is the sum of small efforts repeated day in and day out.

共同体是人类身份的直接、即时和全面的对抗。

Mathematics is the language with which God has written the universe.