价格被遗忘后,质量仍会被长久记住。
任何白痴都能面对危机;磨损人的是日复一日的生活。
有两样东西,人们越是经常持久地对之凝神思索,它们就越是使内心充满常新而日增的惊奇和敬畏:我头上的星空和我心中的道德律。
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.