成功的关键是专注于目标，而不是障碍。
The key to success is to focus on goals, not obstacles.
教育的未来在于人文关怀与技术创新的平衡。
美国人的生活中没有第二幕。
"We are all prisoners of our own memories, and the past is a jail from which we can never escape."
The key to understanding human cognition is to understand how symbols are manipulated.
Every exit is an entry somewhere else.
梦想的路上，每一步都算数。