Acknowledging what you don't know is the dawning of wisdom.

The essence of mathematics is not to make simple things complicated, but to make complicated things simple.

根本不稳固必然会央及枝叶。行为不守信必然会损害声誉。

The impact of unions on wages and employment is often misunderstood.

我宁愿毁灭世界也不愿划伤自己的手指。

The liberty of the press is the palladium of all the civil， political， and religious rights of an Englishman.

身体记得头脑试图忘记的事。