Learn English – idiom or proverb that is used to indicate ‘the abuse of authority or money by foolish persons’

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When a foolish person gains wealth suddenly, s/he might start to spend it ostentatiously and sometimes even talks rubbish. If such people get a powerful position, they might even abuse it foolishly. Such persons need not necessarily be evil ones, but the results could be because of their foolishness.

There are a few proverbs in Telugu language which translates to when a poor person became rich all of a sudden, he asked the barber to dress his hair at midnight.

To take one a peg lower – does this convey the appropriate meaning?
What are the other English equivalent proverbs or idioms for the same?

Best Answer

There is an old saying A fool and his money are quickly parted*.

It dates from at least as early as the sixteenth century.

Thomas Tusser, in his rhyme Five Hundreth Pointes of Good Husbandrie (1573) says:

A foole & his money, be soone at debate: which after with sorow, repents him to late.

And more exactly to the point:

Dr. John Bridges, in Defence of the Government of the Church of England (1587) says:

If they pay a penie or two pence more for the reddinesse of them..let them looke to that, a foole and his money is soone parted.

Quotations from The Phrase Finder