Politically active from his student days, Taleghani was a veteran in the struggle against the Pahlavi regime. He was imprisoned on several occasions over the decades, "as a young preacher, as a mid-ranking cleric, and as a senior religious leader just before the revolution," and served a total of a dozen years in prison.
Politically active from his student days, Taleghani was a veteran of the struggle against the Pahlavi regime. He faced imprisonment on multiple occasions throughout his life, first as a young preacher, then as a mid-ranking cleric, and finally as a senior religious leader just before the revolution, serving a total of twelve years in prison.