The pace of change demands that we unlearn as much as we learn.
【讲解】:有志之士和仁人,不会贪生怕死而损害仁,只会勇于牺牲来成全仁。
快乐的最好方法是给予。
买的越多,省的越多。
The universe is vast and full of mysteries, and exoplanets are just one of the many wonders waiting to be uncovered.