Bragging is best avoided. The only time you should blow your horn is when you're in the band.
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Definition.com
Bragging is an unconscious expression of one's ideal, which the listener ought best to draw out through humoring.
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Bragging is inversely proportional to what we have. The less we have, the more we are required to brag.
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Bragging is unwise — a person endangers his climb up the ladder of success when he stops to pat himself on the back.
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Bragging is better when done by a friend. The sound will carry twice as far if you get someone else to blow your horn.