从工业革命开始，城市化，信息化，智能化，人们的生活发生了不可逆转的剧变。有些东西消失后就不会再出现，比如蒸汽机车，有些东西即使外界再变也不会消失，比如文明。
they have given up, to a great extent, the amenities and achievements of civilization: solitude and leisure, the sanction to be oneself, truly absorbed, whether in contemplating a work of art, a scientific theory, a sunset, or the face of one’s beloved.