你憎恶人类吗？”“不，我不讨厌他们...只是当身旁没有人的时候我会舒服很多。这个世界的问题是睿智的人充满了怀疑，而愚蠢的人充满了自信。

"We all have our time machines. Some take us back, they're called memories. Some take us forward, they're called dreams."

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.

矿工最伟大的工具不是他们的设备，而是他们的判断力。

In the depth of the valley is the road to salvation.

如果你不前进，就是在落后。