居利思义,在约思纯。
解释:处在有利的地位上想到道义,处在困难之中想到保持纯正。
The brain is a naturally selected information processor.
Fear of things invisible is the natural seed of that which everyone in himself calls religion.
Forests are not just carbon sinks—they are life sources.
The moment you think you've understood a character completely is the moment you've lost them.