A good abstraction is one that emphasizes the important details and suppresses the unimportant ones.

【释义】百姓虽然弱小，但不能被战胜；虽然愚昧，但不能被欺骗。

量子通信的未来掌握在那些敢于探索未知的人手中。

It always seems impossible until it's done.

想象力是我唯一自由的国度。