在我们推理关于事实的过程中，有各种可能的确证程度，从最高的确定性到最低级别的道德证据。
In our reasonings concerning matter of fact， there are all imaginable degrees of assurance， from the highest certainty to the lowest species of moral evidence.
The final reward of the dead is to live on in the memory of the living.
The beauty of mathematics lies in its ability to describe the universe in the most elegant way possible.
我不是专业的摄影师，我是专业的观察者。
The safest way to double your money is to fold it over once and put it in your pocket.