有两样东西,人们越是经常持久地对之凝神思索,它们就越是使内心充满常新而日增的惊奇和敬畏:我头上的星空和我心中的道德律。
The more we love our friends, the less we flatter them; it is by excusing nothing that pure love shows itself.
"The true power of science lies in its ability to unite us in our quest for knowledge."