Revelation 4:5-6

5 Out from the throne came flashes of lightning and rumblings and peals of thunder, and in front of the throne seven blazing torches burned, which are the seven Spirits of God [the sevenfold Holy Spirit]; 

We are shown immense power here! We are shown that Jesus is powerful and He is because our Father is powerful, and the two are One. Our peace is that through Christ we are one with our Father as well! Our Father’s power is not just for Himself, it is for those whom He has chosen! Go and read the parable that Jesus told us of the Prodigal Son and you will see that this is Truth. We are one with our Father’s power, just as Jesus is one with it! We have been given the Holy Spirit to teach us all Truth and to strengthen us and to seal us until the day that Jesus returns. Our power is right from our Father Himself. So before we are shown the end times we are shown that our Father is powerful and that we have His Seven Fold Spirit working through us. 

6 And in front of the throne there was also what looked like a transparent glassy sea, as if of crystal. And around the throne, in the center at each side of the throne, were four living creatures (beings) who were full of eyes in front and behind [with intelligence as to what is before and at the rear of them].

Our Father sees everything, past, present, and future. In prophesy the word sea is used by God to represent the people of the earth and here we see that the sea is transparent, it’s all crystal clear to our Father. There is nothing that we do or think that is hid from Him. 

For it was in Him that all things were created, in heaven and on earth, things seen and things unseen, whether thrones, dominions, rulers, or authorities; all things were created and exist through Him [by His service, intervention] and in and for Him. Colossians 1:16

It is also powerful to know that everything is crystal clear. This also means that we can see through it as well. We will clearly see who are of our Father and who isn’t. We will not be deceived by those who have a form of godliness, but who deny the power of it. Far too many believe that our Father has hidden things from us. Many won’t even read the Book of Revelation because they believe that it cannot be understood. But that is just not true, everything is clear and nothing is hidden from us. We have the mind of Christ. We have the Holy Spirit to teach us all things. We are the Bride of the Groom Who is the King of Kings. We aren’t just married to Jesus, we are His friends as well, so He plainly tells us all things. Nothing is hidden from us just as nothing is hidden from our Father.