Per the Nicene Creed:
"...of all that is, seen and unseen."
Per the Holy Bible:
"Christ is the visible image of the invisible God.
He existed before anything was created and is supreme over all creation,
for through him God created everything
in the heavenly realms and on earth.
He made the things we can see
and the things we can’t see—
such as thrones, kingdoms, rulers, and authorities in the unseen world.
Everything was created through him and for him.
Colossians 1:15-16 NLT
"God created everything through him, and nothing was created except through him."
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Truth is...Just as "All that glitters is not gold" and "All that's gold does not glitter," so too, not everything that exists can be seen, heard, smelled, tasted, or touched. Beauty cannot be quantified, loneliness cannot be stored in a closet, and love can only be seen by the actions it inspires. "Whatever is good and perfect is a gift coming down to us from God our Father, who created all the lights in the heavens." (James 1:17)