There is no where in The Bible that says Jehovah isn't Gods name. Thats because it is, without a shadow of a doubt. (Psalm 83:18)
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Because Gods name is Jehovah.
Zeus is the mythical leader of the Greek gods of Mount Olympus. Jehovah is the proper name of the God of Israel in the Hebrew Bible. They are not the same.
they don't they worship Jehovah god hence Jehovah witnesses. If you don't believe that gods name is Jehovah look up the scripture at psalms 83:18 in your bible
gods personal name Jehovah appears some 7,000 times in the bible
Jehovah is a name for God. Catholics believe in God. They just don't generally use Jehovah as a name for God, but it is the same God. So yes, you could say that Catholics believe in Jehovah.
Typically Jehovah's witnesses address their prayers specifically to Jehovah (the most common translation of gods name YHWH as found in the bible) and at the close of the prayer pray through Jesus' name. As in "we ask all these things through your son Christ Jesus' name, amen." Within those parameters anything you want to say, as long as its respectful would be fine. Even if you don't pray to Jehovah specifically the majority of Jehovah's witnesses wouldn't make a fuss and would listen respectfully.
currently the tetragrammaton is not found in greek scripture manuscripts.
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As Matthew 24:13 says :he that endures to the end will be saved, == so just continue to sanctify gods name in whatever you do and you will be saved and belong to Jehovah.
Hallel is Hebrew for Praise Jah(Yah) is a Hebrew derivative of the Egyptian word iah, or moon. So, it simply means, "Praise the Moon". It means praise Jehovah. Jah is short for Jehovah. Jehovah is gods name.
Jehovah does not have a last name