天地为炉,造化为工,阴阳为炭,万物为铜。
比喻天地如同熔炉,造化是工匠,阴阳是炭火,万物是被锻造的铜器。
The process of doing mathematics is more important than the result.
The beauty of computational complexity lies in its ability to classify problems based on their inherent difficulty.