Patience and perseverance are the keys to scientific discovery.
有些人即使没有存心做坏事,可事实上事情仍会做错,引起不幸的后果。凡是粗心大意、看不出别人的好心好意,而且缺乏果断的人,都一样能害人。
Success is not accidental, it requires persistence and hard work.