As Dr. King prepared for the Birmingham campaign in early 1963, he drafted the final sermons for Strength to Love, a volume of his most well - known homilies. King had begun working on the sermons during a fortnight in jail in July 1962. While behind bars, he spent uninterrupted time preparing the drafts for works such as Loving Your Enemies... | A Gift Of Love by Martin Luther King, Paperback | Indigo Chapters