青春不是年华，而是心境；青春不是桃面、丹唇、柔膝，而是深沉的意志，恢宏的想象，炙热的恋情；青春是生命的深泉在涌流。
Youth is not a time of life; it is a state of mind; it is not a matter of rosy cheeks, red lips and supple knees; it is a matter of the will, a quality of the imagination, a vigor of the emotions; it is the freshness of the deep springs of life.
我们教授一门学科不是为了培养关于该学科的小型活图书馆，而是让学生自己学会数学思考。
No wise pilot, no matter how great his talent and experience, fails to use a checklist.
应对不自由世界的唯一方法就是变得如此绝对自由，以至于你的存在本身就是一种反抗。
在当代艺术中，我们需要更少的奇观和更多的实质。
My blindness is not a tragedy, but an opportunity to see the world in a different way.