科学不仅仅是一种职业；它是一种驱使我们探索未知的激情。
La literatura es el arte de la decepción controlada.
Nature， to be commanded， must be obeyed.
The people are the government, administering it by their agents; they are the government, the sovereign power.
Science is a way of exploring and understanding the world.
张大千对绘画题材难易程度的评价。