'Forty' in the Bible

And when thou hast accomplished them, thou shalt lie again on thy right side, and thou shalt bear the iniquity of the house of Judah forty days: I have appointed thee each day for a year.

No foot of man shall pass through it, nor shall foot of beast pass through it, nor shall it be inhabited, forty years.

And I will make the land of Egypt a desolation in the midst of the countries that are desolated, and her cities shall be, in the midst of the cities that are laid waste, a desolation forty years; and I will scatter the Egyptians among the nations, and will disperse them through the countries.

Yet thus saith the Lord Jehovah: At the end of forty years will I gather the Egyptians from the peoples whither they were scattered;

And the breadth of the entry was ten cubits, and the sides of the entry were five cubits on this side, and five cubits on that side; and he measured its length, forty cubits, and the breadth, twenty cubits.

In the four corners of the court there were enclosed courts, forty cubits long and thirty broad: these four corner courts were of one measure.