The past is already written. The ink is dry.
过去已经写就，墨迹已干。
生活中最大的荣耀不在于从不跌倒，而在于每次跌倒后都能站起来。
I was born in Africa.I came to California because it’s really where new technologies can be brought to fruition， and I don’t see a viable competitor.
数学的乐趣在于发现的旅程，而不仅仅是目的地。
作家要么是隐居的实践者，要么是内疚的、有过失的人。
Innovation in coal technology is just as important as innovation in any other energy sector.