לֹ֤א תַעֲבָר־בָּהּ֙ רֶ֣גֶל אָדָ֔ם וְרֶ֥גֶל בְּהֵמָ֖ה לֹ֣א תַעֲבָר־בָּ֑הּ וְלֹ֥א תֵשֵׁ֖ב אַרְבָּעִ֥ים שָׁנָֽה׃
No foot of man shall pass through it, nor foot of beast shall pass through it, neither shall it be inhabited forty years.
Read Jewish philosophical commentary on Ezekiel 29:11: and classical philosophical sources.