Posting a letter and getting married are among the few things left that are entirely romantic; for to be entirely romantic a thing must be irrevocable.
寄信与结婚,是世上所剩不多的全然浪漫之事;因为一种事物要全然浪漫,就必须不可撤回。
— G. K. Chesterton · Heretics · III. On Mr. Rudyard Kipling and Making the World Small —