"The moment you doubt whether you can fly, you cease for ever to be able to do it."
当你怀疑自己能否飞翔的那一刻，你就永远失去了飞翔的能力。
Science is the pursuit of truth through evidence.
Critical comments by students should be taken in a friendly spirit， accumulation of material should not stifle the student’s independence.
艺术家必须同时是哲学家、科学家和诗人。
The only time I’m truly happy is when I’m in the water.
教师个人的范例，对于青年人的心灵，是任何东西都不可能代替的最有用的阳光。