It is a saying or life advice perhaps. Not everyone is taught about it. If you do not want to listen to the other, then do not ask questions.
The statement 'Do not ask a question if you’re not prepared to hear the answer' is a kind of advice usually given to children when they are young. It speaks about manners, good behavior, and gensture. Always the children should be taught about this moral issue- always try to listen first before speaking. Hearing is a skill not everyone has, it makes a man humble.
Yes, I shall be determined to learn the truth even if it might ruin my life. There is nothing above truth. And the truth gets revealed anyway oneday. No one can live a blissful life avoiding truth.
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