Posterity: you will never know how much it has cost my generation to preserve your freedom. I hope you will make good use of it.

Posterity: you will never know how much it has cost my generation to preserve your freedom. I hope you will make good use of it.

子孙后代:你们永远不会知道我们这一代人为了维护你们的自由付出了多少代价。我希望你能好好利用它。

-- John Quincy Adams 约翰·昆西·亚当斯