Yes, the whole Bible assumes the reality of His existence. It is faith in the existence of God that allows one to come to Him - which is what the passage is discussing.
There is no verse in Hebrews 1 that could bring into question that Jesus is not God. On the contrary the chapter puts forth Jesus very well as God.
In verse 13 God has told Moses he is about to die. In verses 16 and 17 Moses asks God to appoint a new leader for the Hebrews. In verses 18 to 21 God tells Moses to declare Joshua as his successor.
Jewish traditional holds that the concept of God includes the idea that God protects everyone, not just the Hebrews.
Yahweh
Jewish tradition holds that part of the belief in God includes the idea that God protects everyone, not just the Hebrews.
If you are asking if the Hebrews were the first people to believe in the existence of one God, the answer is no.
By trusting in God even after the death of her husband, Naomi helped the Hebrews believe more in God.
The Jews (formerly called "Hebrews") relate to God through prayer, study, and acts of lovingkindness.
It was different from the religions around it, because the Hebrews believed in one God above all others.
In Hebrews chapter 1 verse 1, the term 'fathers' refers to the patriarchs or forefathers of the Jewish people, such as Abraham, Isaac, and Jacob. It signifies those who were the ancestors of the Israelites and played a foundational role in the history and faith of the Hebrew people.
"Facts" is a strong word, but based on the Torah and tradition, they are: 1. The Hebrews were descended from Abraham 2. The Hebrews believed in one God above all others 3. The Hebrews are the ancestors of the Jews 4. The Hebrews originated in Israel
The covenant was with God.