Happiness is not a matter of intensity but of balance, order, rhythm and harmony.
The habits of life form the soul, and the soul forms the countenance.
The only thing that can make you happy is your own heart.
Standards are the key to the success of the Internet.
我喜欢玩转书籍的物理特性——翻页、洞洞、不同尺寸。
只有通过苦难才能理解生命的深度。
物理学的美在于它能够用简单的定律解释复杂的事物。