Categories John Fitzgerald Kennedy Only those who dare to fail greatly can ever achieve greatly. Post author By quotegeek Post date May 16, 2012 No Comments on Only those who dare to fail greatly can ever achieve greatly. Only those who dare to fail greatly can ever achieve greatly. → 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.