儿童开始对自己实践那些他人曾经对他实践过的相同行为形式。
光线不断变化，每分钟都在改变事物的氛围和美感。
钱不说话，它咒骂。
The beauty of mathematics lies in its simplicity and universality.
Natural experiments can provide valuable insights into economic questions.
翻译：善行不积累不足以成就美名，恶行不积累不足以灭亡自身。
建筑不应该大喊大叫。它应该对人们的生活轻声细语。
Don’t just aim for success—aim for significance.
The stock market is the only market where things go on sale and everyone runs out of the store.
The motion of the universe is eternal.