"Every discovery is a piece of the puzzle that is our universe."
习俗并非任何协议或契约的结果,而是长期发展过程的产物,在此过程中它们适应了社会的生活条件。
解释:所谓美的东西,无论在上下、内外还是远近,都不会产生危害,所以才叫做美。
The world is before you and you need not take it or leave it as it was when you came in.