Pain is temporary. It may last a minute, or an hour, or a day, or a year, but eventually it will subside and something else will take its place. If I quit, however, it lasts forever.

"Reading is a way of living more lives than the one we have."

自守表示的研究揭示了数域的隐藏对称性。

过度捕捞的真正代价是用空网和破碎的生态系统来衡量的。