As to the gods, I have no means of knowing either that they exist or that they do not exist. For many are the obstacles that impede knowledge, both the obscurity of the question and the shortness of human life.
质量始于农场，卓越通过对细节的不懈关注来实现。
在科学中最令人兴奋的短语，预示着新发现的，不是“我发现了！”而是“这很有趣……”
