真相很少是纯粹的，也从不简单。
"The truth is rarely pure and never simple."
In our hearts, there is a place that cannot be locked. That place is called hope.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
数学不是关于数字、方程、计算或算法的：它是关于理解的。
在观测天文学中，耐心是关键，有些发现需要几十年才能确认。
To live is the rarest thing in the world. Most people exist, that is all.
80% of life's most defining moments take place by age 35.
客户满意度应该是每个商业决策背后的驱动力。
不用圆规和曲尺，就不能画出方形和圆形。比喻做事要遵循一定的法则。