And it came to pass in the fortieth year, in the eleventh month, on the first of the month, that Moses spoke to the children of Israel, according to all that Jehovah had given him in command to them;

And thou shalt remember all the way which Jehovah thy God led thee these forty years in the wilderness, to humble thee, and to prove thee, to know what was in thy heart, whether thou wouldest keep his commandments or not.

Your clothes

Thy clothing grew not old upon thee, neither did thy foot swell, these forty years.

Yea, forty years didst thou sustain them in the wilderness; they lacked nothing; their clothes grew not old, and their feet swelled not.

Be not therefore careful, saying, What shall we eat? or What shall we drink? or What shall we put on?

And thy shoe

and old and patched sandals upon their feet, and old garments upon them; and all the bread of their provision was dry and mouldy.

nor scrip for the way, nor two body coats, nor sandals, nor a staff: for the workman is worthy of his nourishment.

General references

And Moses was eighty years old, and Aaron was eighty-three years old, when they spoke to Pharaoh.