People are really poor, in addition to happy the misfortunes of others, have no other fun at all.
人变得真正低劣时,除了高兴别人的不幸外,已无其他乐趣可言。
科学的进步不仅是通过回答问题,而是通过提出更好的问题。
Only those who will risk going too far can possibly find out how far one can go.