Combinatorics is the art of counting without counting.
Tradition and innovation are not opposites—they're partners in progress.
我们大多数人在物理学上所能期望的最好结果,就是在更深层次上误解。
Farmers' income growth cannot rely solely on policies, but more on market mechanisms and industrial upgrading.
Humans should learn from nature.
The power within you is infinite, if you only realize it.