过去是一个跟随你到任何地方的影子。
The past is a shadow that follows you everywhere.
成长是痛苦的,但也是必要的。
The journey of discovery is filled with uncertainties, but it is these uncertainties that make science so exciting.
所有这些说明的目的是引导探索者的心智朝向它们背后的唯一实相。