Categories Rudyard Kipling Words are, of course, the most powerful drug used by mankind. Post author By quotegeek Post date May 16, 2012 No Comments on Words are, of course, the most powerful drug used by mankind. Words are, of course, the most powerful drug used by mankind. Tags drugs, language, speech, words → I’m a Sagittarius, which probably tells you way more than you need to know. Leave a Reply Cancel replyYou must be logged in to post a comment.