True progress comes when we challenge the status quo and embrace change.

矿业的未来在于科技与可持续性。

教育的最高目标不是知识，而是行动。

理论的秘密在于，真理并不存在。

Those who deny freedom to others, deserve it not for themselves; and, under a just God, can not long retain it.

别害怕独自站立。