So given a Time Turner, I would tell my 21-year-old self that personal happiness lies in knowing that life is not a check-list of acquisition or achievement. Your qualifications, your CV, are not your life, though you will meet many people of my age and older who confuse the two. Life is difficult, and complicated, and beyond anyone’s total control, and the humility to know that will enable you to survive its vicissitudes.
Do not let your fire go out, spark by irreplaceable spark.
翻译：大地的气势宽厚和顺，君子应增厚美德，容载万物。
Success is not just about making money; it's about making a difference.
天下都变成了秋天的气象，一个房间难以维持春天的温暖。
少即是多。
量子力学不仅仅是一个关于世界的理论，它是对世界最基本层面的描述。
Sustainability isn't a choice—it's a responsibility we owe to the next generation.
读，读，读。读所有东西——垃圾、经典、好的和坏的，看看他们是怎么做的。就像一个当学徒的木匠研究大师一样。读！你会吸收它。然后写。如果它是好的，你会发现。如果不好，就把它扔出窗外。
出自北齐·颜之推《颜氏家训·文章》。书写文章要尊崇“三易”的原则，即文章内容要清晰明了，这是第一项。书写的文字要简单概要，这是第二项。书写的段落要读起来朗朗上口这是第三项。