Ajahn Chah

And those that are left are wearing out.

They have no stable form.

And it's their nature to be that way.

Your body is the same.

It's been continually changing from the day you were born through childhood and youth until now it's reached old age.

You must accept this.

The Buddha said that conditions, whether internal, bodily conditions, or external conditions, are not self.

Their nature is to change.

Contemplate this truth clearly.

This very lump of flesh lying here in decline is reality.

The facts of this body are reality.

They are the timeless teaching of the Lord Buddha.

The Buddha taught us to contemplate this and come to terms with its nature.

We must be able to be at peace with the body, no matter what state it is in.

The Buddha taught that we should ensure that it's only the body that is locked up in jail and not allow the mind to be imprisoned along with it.

Now, as your body begins to run down and wear out with age,

Don't resist, but also don't let your mind deteriorate along with it.

Keep the mind separate.

Give energy to the mind by realizing the truth of the way things are.

The Lord Buddha taught that this is the nature of the body