创造东西真的很难。你必须非常在乎它，才能克服所有的失望和挫折。
Making something is really hard. You have to care about it so much that you will push through all the disappointments and frustrations.
History does not long entrust the care of freedom to the weak or the timid.
如果你掌握了所有事实，你的判断可能是正确的；如果你没有掌握所有事实，你的判断就不可能是正确的。