In our reasonings concerning matter of fact， there are all imaginable degrees of assurance， from the highest certainty to the lowest species of moral evidence.
Challenges are what make life interesting. Overcoming them is what makes life meaningful.
地质学不会妥协，我们的标准也不应该妥协。
知识以神经元网络中激活的分布式模式表示。
I don't believe in luck, but I do believe in assigning value to things.
To create is to confront the chaos of existence and give it form.
"The universe is not only stranger than we imagine, it is stranger than we can imagine."
