One day the source is close. Meditation practice is potent with sense perceptions and insights. The next day (or minute) meditation practice feels like it is getting nowhere. Often this will be mental blocks coming from within myself. But sometimes it is simply because the source of all life has a life of its own.
In Dogen’s words it is the untamed dragon returning to the sea, or the tiger returning to the mountains. It cannot be caught in a net, or tamed. Here, there, everywhere, sometimes, always. Boo. No boo.