魔鬼最伟大的伎俩是让世界相信他不存在。

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.

Don't let your failures define you—let them teach you.

We are not just selling products; we are creating a new shopping experience.

Knowledge has value only insofar as it contributes to the liberation of humanity.