《哈佛凌晨四点半》是哈佛大学出版社每年出版的经典读物，汇集了该校师生关于时间管理、自我提升的经典语录。以下是其中最具代表性的语录整理：
"The only way to do great work is to love what you do."
热爱是做好工作的唯一途径。
"Success is not final, failure is not fatal: It is the courage to continue that counts."
成功不是终点，失败也不是致命的，关键在于持续前进的勇气。
"The best time to plant a tree was 20 years ago. The second best time is now."
把握当下就是最好的时机。
"If you don't like what you're doing, change it. If you can't change it, change your attitude."
当环境无法改变时，调整心态比盲目坚持更重要。
"The only limit to our realization of tomorrow will be our doubts of today."
消除今天的疑虑，才能实现明天的梦想。
"The future belongs to those who believe in the beauty of their dreams."
相信梦想的美妙，未来才会向你敞开。
"The only person you are destined to become is the person you decide to be."
你的命运掌握在自己手中。
"The best preparation for tomorrow is doing your best today."
今日的努力是明天的最佳保障。
"The only way to do great work is to love what you do."
热爱是做好工作的唯一途径。
"The mind is everything. What you think you become."
思维决定命运。
这些语录通过简洁有力的语言，传递了哈佛人对于时间管理、自我激励和持续奋斗的深刻理解。书中强调，成功并非偶然，而是通过勤奋、毅力和智慧的积累实现的。