This couldn't have been said any better!!
I recently came to terms with all of the points mentioned here (especially that neither I nor anyone knows everything and therefore we'll always be learning) along with the realization that NOT knowing any tools, technology or process isn't the END of the world.
What matters to me is the curiosity, interest and will (ideally in the same order) to pick-up those things and is summed up perfectly in the below image.
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