To our spouses

those who have chosen to put up with us,

and to the students of Professor Susskind's

Continuing Education Courses

献给我们的另一半

她们选择与我们同甘共苦

同样献给

参加萨斯坎德教授继续教育课程的同学们 3UC3irZhs09mPBBM9S0qViaj/aBnkScCh1h5/7q/FapRQG/N1c7v8HqEWUdc5L/w