Categories Mother Teresa The greatest science in the world; in heaven and on earth; is love. Post author By quotegeek Post date May 16, 2012 No Comments on The greatest science in the world; in heaven and on earth; is love. The greatest science in the world; in heaven and on earth; is love. → 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.