There is no method but to be very intelligent.
The best way to predict the future is to create it.
Little else is requisite to carry a state to the highest degree of opulence from the lowest barbarism but peace, easy taxes, and a tolerable administration of justice.
农民是我们经济中唯一必须以零售价购买一切,以批发价出售一切,并支付双向运费的人。