Usually the poems are written in one sitting. There's always a groping towards some satisfying ending. But I'd say the hardest part is not writing. Once the writing starts, it's too pleasurable to think of it as a difficulty.
Billy CollinsBy clarity I don't mean that we're always in kind of a simple area where everything is clear and comforting and understood. Clarity is certainly a way toward disorientation because if you don't start out - if the reader isn't grounded, if the reader is disoriented in the beginning of the poem, then the reader can't be led astray or disoriented later.
Billy CollinsThe pen is an instrument of discovery rather than just a recording implement. If you write a letter of resignation or something with an agenda, you're simply using a pen to record what you have thought out.
Billy Collins