Innovation in oil extraction isn't optional—it's essential for meeting the world's energy demands.
"The only thing that one really knows about human nature is that it changes."
The language of mathematics is universal, transcending cultural and linguistic barriers.
The historian must be a poet and an artist in order to give life to the dead bones of the past.
劳动分工在尽可能程度上引入,在每一门艺术中都会导致劳动生产力的相应增加。
Great leaders don't create followers, they create more leaders.