“Anger is an acid that can do more harm to the vessel in which it is stored than to anything on which it is poured.”
Often misattributed to Mark Twain. Quoted in: The Baptist Observer: With Newsette Supplement: Journal of Indiana Baptist Convention. 1966-1969, Issue 7, Baptist observer, 1966
Attributed to Sigmund Freud and also to Colette, but no reference for this quote has been found on their works.