"When you talk you are only repeating what you already know. But if you listen you may learn something new-Dalai Lama," he said on Twitter.
Highlighting the problems faced by farmers in view of demonetisation of currency notes of high denomination, Gandhi also put out a story on the plight of farmers in this regard.
Rejecting Gandhi's charge that the demonetisation move has hit farmers, Jaitley had said the Congress leader must "apply his mind" and understand that those in farming will not face any tax whether they keep their money at home or in banks.
"As far as Rahul Gandhi is concerned, he should understand that any person, especially poor and common man, will not face any inconvenience," Jaitley said.
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As agriculture income is exempt from income tax, farmers face no levies whether they keep their money in banks (by depositing old and now withdrawn currency notes) or in their houses, he said, adding that in both cases no tax is levied on them.
"So before giving such statement, he (Gandhi) should apply his mind and seriously ponder."
Gandhi had earlier targeted Modi over the demonetisation move, saying "real culprits" who have stashed black money are "sitting tight" while lives of farmers, small shopkeepers and housewives "have been thrown in utter chaos.