Any answer is subject to the follow-up question, well why does that thing exist? Why did that happen?
If a question cannot be answered, there's no point in asking it I think.
Other questions about the physical laws governing the big bang or inflation or black holes can be answered, although they might be very difficult to answer.
Various kinds of faith (religious, scientific, etc) can stop infinite regress.
> If a question cannot be answered, there's no point in asking it I think.
Easy peasy.
If something has a cause then it's ruled by cause and effect. If something is causeless, it not only does not need a reason to exist but is also the entity that puts forth cause and effect in motion. Kinda similar to Aristotle's concept of the prime mover.
https://share.snipd.com/chapter/ceddc8a8-939b-48c7-8cea-45d7...
Wu-Wei sounds very much like Karma Yoga and Yin-Yang too. It's all very much like the teachings of the Bhagavad Gita.