Revelation 13:18

Here is wisdom. Let the one having understanding count the number of the beast: for it is the number of a man. And his is, Six hundred and sixty-six.

Revelation 21:17

And he measured the wall of it, a hundred and forty-four cubits, the measure of the man, that is of the angel.

Treasury of Scripture Knowledge

Summary

Moreover the LORD said unto me, Take thee a great roll, and write in it with a man's pen concerning Mahershalalhashbaz.

Bible References

A man's pen

Revelation 13:18
Here is wisdom. Let the one having understanding count the number of the beast: for it is the number of a man. And his is, Six hundred and sixty-six.
Revelation 21:17
And he measured the wall of it, a hundred and forty-four cubits, the measure of the man, that is of the angel.