Revelation 13:18

There is wisdom hidden here! Let everyone of intelligence calculate the animal's number, for it indicates a certain man; its number is 666.

Revelation 21:17

He measured the wall and it was about 144 cubits (216 feet), as men measure, for that was the way the angel measured.

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
There is wisdom hidden here! Let everyone of intelligence calculate the animal's number, for it indicates a certain man; its number is 666.
Revelation 21:17
He measured the wall and it was about 144 cubits (216 feet), as men measure, for that was the way the angel measured.