没有剑的契约只是空话，根本无法保护一个人。

整个科学不过是对日常思维的提炼。

冒险应该是80%的规划和20%的纯粹勇气。

The laws of physics are not just rules, they are the language of the universe.

晏子春秋

Peace is not merely the absence of war, but the presence of justice, of law, of order—in short, of government.

不要因为结束而哭泣，微笑吧，为你的曾经拥有

人生苦短，必须快乐。