“A man must rate public and permanent, above private and fleeting advantages and study how to render his benefaction most useful, rather than how he may bestow it with least expense.”
Letter 18, 5.
Letters, Book VII
Original
Oportet privatis utilitatibus publicas, mortalibus aeternas anteferre, multoque diligentius muneri suo consulere quam facultatibus.
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Pliny the Younger 50
Roman writer 61–113Related quotes

Source: The Prince (1513), Ch. 15
Context: Many have imagined republics and principalities which have never been seen or known to exist in reality; for how we live is so far removed from how we ought to live, that he who abandons what is done for what ought to be done, will rather bring about his own ruin than his preservation.
“The best wedding is that upon which the least trouble and expense is bestowed.”
sayings of Muhammad on the subject of marriage, quoted from T.P. Hughes: Dictionary of Islam.
Dictionary of Islam

“I can't see how a single man could spend his time to better advantage than in the Marines.”
1919
Who's Who in Marine Corps History: "Daniel Daly"

Source: Mental images and their transformations. 1982, p. 178; as cited in Niall (1997)

Samuel Pepys Diary, November 5, 1665.
Criticism
“You must learn to use each man to his best advantage”
Source: Drenai series, Quest for Lost Heroes, Ch. 1
Context: Why must I have the Piglet?' 'Because you are the best.' 'I do not understand.' 'Teach him.' 'And who teaches me?' ' As an officer, my lord, you will have many men under your command and not all will be gifted. You must learn to use each man to his best advantage...