I don't know

[thesummerqueen]

I see I wonder if this would help: how boring would it be if we knew everything?

Why would it be boring to know everything?  When I go hiking someplace I have been before, and see the beauties of nature, I am not bored by it, even though I typically do not really see anything very different from what I have seen before.

You're not looking closely enough. I go back to the same place every season if I can help it to try and document. Every year, the season holds something different or new. It might not be something "unknown" but it's definitely different, and holds its own mystery by sheer virtue of that fact.

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The journey is more important than the destination. A glib platitude, but I think it is generally true.

I disagree.  Becoming an atheist was unpleasant in the extreme.  Being an atheist is comfortable.  

Flying to Europe from the U.S. was unpleasant.  Being in Europe was fun.

Going to the store to buy wine is a bother.  Drinking the wine at home is good.  (In this case, going to the store to buy wine is not generally unpleasant, but it does not compare favorably to drinking the wine.  Relatively speaking, it is terrible going to the store, compared with drinking the wine.)

Also, I'd have to argue this point: he said the journey was important - not necessarily enjoyable. Being fit is enjoyable, but it's the journey of changing my habits and developing exercises that's more important than the end goal. You may not like the journey there, but it's definitely at least as important as the destination.