世有无妄之福,又有无妄之祸。
译文:世人有时会遇到意想不到的福运,有时也会遇到意外的灾祸。
The attosecond timescale is to electron motion what the high-speed camera was to studying animal locomotion.
"We are all broken, but it is in the cracks that the light gets in."
You have to fight through some bad days to earn the best days of your life.