Science is not just about facts, but about understanding the underlying principles that govern those facts.

Great histories are written with ink and blood.

Time does not exist. For the river, there is only the present moment—no past, no future.

We need less spectacle and more substance in contemporary art.

人们自己创造自己的历史，但是他们并不是随心所欲地创造，并不是在他们自己选定的条件下创造，而是在直接碰到的、既定的、从过去承继下来的条件下创造。