William Petty
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"Sir William Petty" Royal Society/FRS was an English economist, scientist and philosopher. He first became prominent serving Oliver Cromwell and Commonwealth of England/Commonwealth in Ireland. He developed efficient methods to survey the land that was to be confiscated and given to Cromwell's soldiers. He also managed to remain prominent under King Charles II of England/Charles II and King James II of England/James II, as did many others who had served Cromwell.

He was Member of the Parliament of England briefly and was also a scientist, inventor, and entrepreneur, and was a charter member of the Royal Society. It is for his theories on economics and his methods of political arithmetic that he is best remembered, however, and to him is attributed the philosophy of 'laissez-faire' in relation to government activity. He was knighted in 1661. He was the great-grandfather of Prime Minister William Petty, 2nd Earl of Shelburne/William Petty Fitzmaurice, 2nd Earl of Shelburne and 1st Marquess of Lansdowne.

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Another cause which aggravates taxes is the force of paying them in money at a certain tinge, and not in commodities at the most convenient seasons.

I make this question, whether, since they do all live by begging... it were not better for the state to keep them.

No man pays double or twice for the same thing, forasmuch as nothing can be spent but once.

Every seaman is not only a navigator, but a merchant and also a soldier.

In the next place, it will be asked, who shall pay these men? I answer, everybody.

Wherefore when a man giveth out his money upon condition that be may not demand it back until a certain time to come, he certainly may take a compensation for this inconvenience which he admits against himself.

We incline, therefore, to think the parishes should be equal or near, because in the reformed religion the principal use of a church is to preach in.

The trade of banks is the buying and selling of interest and exchange.

It were good to know the geometrical content, figure and situation of all the lands of a kingdom, especially according to its most natural bounds.