The present state of the system of nature is evidently a resultant of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.
单一货币的最大优势在于消除了汇率不确定性并降低了交易成本，从而促进贸易和投资。
I don't compete with anyone but myself.
The best way to predict the future is to invent it.
Idleness is the beginning of all vice, the crown of all virtues.
"Truth is not found in the light, but in the shadows where we dare not look."