世界不是一个令人愉快的地方,但它是我们唯一拥有的。
You are never too old to set another goal or to dream a new dream.
NP完全性不仅仅是一个理论上的好奇心;它对实际计算有着深远的影响。
"I write to expose myself, to understand myself."
Understanding the fundamental forces of nature is essential to comprehending the cosmos.