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As smoking is to the lungs, so is resentment to the soul; even one puff is bad for you.

Elizabeth Gilbert (2010). “The Complete Elizabeth Gilbert: Eat, Pray, Love; Committed; The Last American Man; Stern Men & Pilgrims”, p.177, A&C Black
As smoking is to the lungs, so is resentment to the soul; even one puff is bad for you.