However, it was not until the first day of the eleventh month of the fortieth year that Moses addressed the Israelites just as the Lord had instructed him to do.

Remember the whole way by which he has brought you these forty years through the desert so that he might, by humbling you, test you to see if you have it within you to keep his commandments or not.

Your clothes

Your clothing did not wear out nor did your feet swell all these forty years.

For forty years you sustained them. Even in the desert they never lacked anything. Their clothes did not wear out and their feet did not swell.

So then, don't worry saying, 'What will we eat?' or 'What will we drink?' or 'What will we wear?'

And thy shoe

They had worn-out, patched sandals on their feet and dressed in worn-out clothes. All their bread was dry and hard.

no bag for the journey, or an extra tunic, or sandals or staff, for the worker deserves his provisions.

General references

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