“No one has seen God at any time. The only begotten Son [“The only begotten God.” New American Standard Bible], who is in the bosom of the Father, He has declared Him.” John 1:18.
“And the Word [Jesus] became flesh and dwelt among us, and we beheld His glory, the glory as of the only begotten of the Father, full of grace and truth.” John 1:14.
“I have not spoken in secret, in a dark place of the earth; I did not say to the seed of Jacob, ‘Seek Me in vain [as if I could not be found]’; I, the Lord, speak righteousness, I declare things that are right.” Isaiah 45:19.
Psalm 91 is one of sixteen psalms that are called Messianic Psalms; they are prophetic psalms revealing the Messiah (Christ Jesus) to come. Psalms 2, 8, and 22 are three that you may know.