Lately, I've had a lot of trouble praying. There have been times in my life when I was committed to regular prayer, when I loved to put on my tefillin in the morning and feel the marks they had left on my arm as I went about my activities afterwards. I've had moving experiences of communal prayer, feeling buoyed by the voices rising around me, and of individual prayer, when the sight of something in the world has caught my breath and provoked a spontaneous blessing.