过去已经写就，墨迹已干。
The past is already written. The ink is dry.
"A mathematician is a device for turning coffee into theorems."
The most painful thing is losing yourself in the process of loving someone too much, and forgetting that you are special too.
Protecting the marine ecosystem is protecting the future of fisheries.
The total amount of suffering per year in the natural world is beyond all decent contemplation.
The more we know, the more we realize how little we know.