Simon Peter went up, and drew the net to land full of great fishes,…

And on the seventh day God ended his work which he had made; and he rested on the seventh day from all his work which he had made.

Genesis 2:2 (KJV)

The number seven appears throughout Scripture — seven days of creation, seven seals, seven trumpets, seven churches.

Genesis 2:2 (KJV)

And he ordained twelve, that they should be with him, and that he might send them forth to preach.

Mark 3:14 (KJV)

And the rain was upon the earth forty days and forty nights.

Genesis 7:12 (KJV)

Your children shall wander in the wilderness forty years, and bear your whoredoms.

Numbers 14:33 (KJV)

Here is wisdom. Let him that hath understanding count the number of the beast: for it is the number of a man; and his number is Six hundred threescore and six.

Revelation 13:18 (KJV)