Inflation is a very bold idea, but it seems to be the only way to explain the observed features of the universe.
肉体是悲伤的,唉,而我已读完所有的书。
随着年龄的增长,我越来越意识到唯一重要的是忠于自己。
真正的进步来自于我们对人才和技术的双重投资。