Him which is, and which was, and which is to come
Moses said to God, “Behold, when I come to the children of Israel, and tell them, ‘The God of your fathers has sent me to you;’ and they ask me, ‘What is his name?’ What should I tell them?” God said to Moses, “I AM WHO I AM,” and he said, “You shall tell the children of Israel this: ‘I AM has sent me to you.’” Exodus 3:13,14
Jesus said to them, “Most certainly, I tell you, before Abraham came into existence, I AM. John 8:58
Jesus Christ is the same yesterday, today, and forever. Hebrews 13:8
The four living creatures, each one of them having six wings, are full of eyes around and within. They have no rest day and night, saying, “Holy, holy, holy is the Lord God, the Almighty, who was and who is and who is to come!” Revelation 4:8