Reality is a question of perspective; the further you get from the past, the more concrete and plausible it seems—but as you approach the present, it inevitably seems more and more incredible.

我开始相信，一位伟大的教师是一位伟大的艺术家，而且像其他伟大的艺术家一样稀少。教学甚至可能是最伟大的艺术，因为媒介是人的思想和精神。