John 6:20

And He says to them, I am here; fear not.

Matthew 14:27-31

And immediately Jesus spoke to them, saying, Be of good cheer; I am here; fear not.

Mark 6:50

For they all saw Him, and were alarmed. And immediately He spoke with them, and says to them, Be of good cheer; I am He; be not afraid.

Mark 16:6

But he says to them, Fear not: you are seeking Jesus, the Nazarene, who has been crucified: He is risen; He is not here: see the place where they laid Him.

Revelation 1:17-18

And when I saw him, I fell at his feet like a dead man; and he laid his right hand on me, saying, Fear not; I am the first and the last:

Treasury of Scripture Knowledge

Summary

But he saith unto them, It is I; be not afraid.

Bible References

It is

Matthew 14:27
And immediately Jesus spoke to them, saying, Be of good cheer; I am here; fear not.
Mark 6:50
For they all saw Him, and were alarmed. And immediately He spoke with them, and says to them, Be of good cheer; I am He; be not afraid.
Mark 16:6
But he says to them, Fear not: you are seeking Jesus, the Nazarene, who has been crucified: He is risen; He is not here: see the place where they laid Him.
Revelation 1:17
And when I saw him, I fell at his feet like a dead man; and he laid his right hand on me, saying, Fear not; I am the first and the last: