當一盞燈熄滅時，比它從未亮起時要黑暗得多。
It's so much darker when a light goes out than it would have been if it had never shone.
The development of efficient algorithms is not just a theoretical exercise; it has practical implications for the way we live and work.
A man who dares to waste one hour of time has not discovered the value of life. ?
機器并未將人類與自然的重大問題隔絕，而是讓人更深入地卷入其中。
The best science is done with both the head and the heart.
So we beat on, boats against the current, borne back ceaselessly into the past.
系外行星的多樣性令人驚嘆，從氣態(tài)巨行星到巖石世界，其中一些可能孕育著生命。