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。
The personal example of a teacher is the most useful sunshine that nothing can replace for the soul of young people.
Recipe for success: under-promise and over-deliver.
数学证明的优雅在于它的简洁和清晰。
导演就是创造一个感觉真实和生动的世界。
Never put off till tomorrow what you can do the day after tomorrow.
摆脱诱惑的唯一方法就是屈服于它。
