One year for Lent I gave up listening to music/radio in the car during my commute to classes (at least half an hour each way) and one of the things I did after an uncomfortable week of silence was to memorize and recite poems to myself. I still do this, adding a new poem every year or so. Now my favorite poems are always with me.
One of the last ones I memorized was Frederick Seidel's "Ode to Spring":