过去是一种已经发生的未来。
The past is a kind of future that has already happened.
建筑真正的考验是它如何老化。
幸福不在于财富和黄金，幸福之感存在于灵魂之中。
"We have to be willing to fail, to be wrong, to start over with lessons learned."
物理学的美丽在于它能够用简单的原理解释复杂的事物。