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.
如果你从未跌倒过，那么你也就从未努力过。
The future belongs to those who believe in the beauty of their dreams.
打字机要是敲得有感情，并不比你的姐妹或者亲戚弹奏钢琴来的扰人。