The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
Those who deny freedom to others, deserve it not for themselves; and, under a just God, can not long retain it.
我们在这里是为了在宇宙中留下印记。否则我们为什么还要在这里?
地质学不会妥协,我们的标准也不应该妥协。
The true challenge in mathematics is not solving problems, but asking the right questions.