它们不是纪念碑,而是脚印。纪念碑只会说'至少我到了这里',而脚印会说'这是我再次移动时所在的地方'。
They are not monuments, but footprints. A monument only says, 'At least I got this far,' while a footprint says, 'This is where I was when I moved again.'
最好的科学是双手弄脏而头脑清醒时完成的。
Quality in materials reflects quality in character.