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"It is the mark of an educated mind to rest satisfied with the degree of precision which the nature of the subject admits and not to seek exactness where only an approximation is possible."

"He who cannot be a good follower cannot be a good leader."

"He who is unable to live in society, or who has no need because he is sufficient for himself, must be either a beast or a god."

"Well begun is half done."

"Happiness is the meaning and the purpose of life, the whole aim and end of human existence."

"We make war that we may live in peace."

"A human being has a natural desire to have more of a good thing than he needs."

"There is no calamity greater than lavish desires.There is no greater guilt than discontentment.And there is no greater disaster than greed."

"It is the nature of desire not to be satisfied, and most men live only for the gratification of it."

"He who desires is always poor."

"Again, men in general desire the good, and not merely what their fathers had."

"In men of the highest character and noblest genius there is to be found an insatiable desire for honour, command, power, and glory."