Wow, you doing a great job here bruh....

The best and most beautiful things can't be touch nor be seen as used by the author is basically an irony.
Most of the beautiful things that gives human might sometimes not be able to be touched but believe you will surely feel it, a very good example is SBD or STEEM, you can confirm it in your wallet and at the same time feel it when converted to a local currency.

A good example of beautiful thing that we can't see and touch is just this platform.....STEEMIT