On one hand: some people might argue that posting only when I have something "important" or "thoughtful" to say would be the true path to righteousness, writing-wise.
On the other hand: write! every! day! say many other people. Writing begets writing and any way forward has to be marked with drafts and mistakes and general, plodding, quotidian dullness: the simple act of attending is all.
Aside: interesting semi-related theory:
My personal rule is that if you aren’t quite certain that a certain action will be good for you and the world, you shouldn’t do it. Do nothing, which is likely to be pleasant and unlikely to hurt anyone. Few atrocities have been committed by people lying in bed, whereas the urge to Do Something has led to serious catastrophe. Productivity is extremely dangerous.
On the other hand: here's Katrina Lenk performing "If I Were a Rich Man," which is your reward for showing up: