always keep in your mind these sentenses.....

 Stay away from a fool. A foolish person is in fact to legged animal. His foolish talk will pierce you like invisible thorn.
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 A person born to a high family, full of youthful vigor and beauty, if does not have education, is like a flower without fragrance.
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A single dried tree catches fire and destroys the forest. Similarly, a bad son blots copy-book of entire family.