'Forty Years' in the Bible

for Jehovah thy God hath blessed thee in all the work of thy hands; He hath known thy walking in this great wilderness these forty years; Jehovah thy God is with thee; thou hast not lacked anything.

and thou hast remembered all the way which Jehovah thy God hath caused thee to go these forty years in the wilderness, in order to humble thee to try thee, to know that which is in thy heart, whether thou dost keep His commands or not.

'Thy raiment hath not worn out from off thee, and thy foot hath not swelled these forty years,

and I cause you to go forty years in a wilderness; your garments have not been consumed from off you, and thy shoe hath not worn away from off thy foot;