What poem has the line you never knew the worth of him until he died?

The Poem is called "An Old Story" by Edwin Arlington Robinson

Strange that I did not know him then,

That friend of mine.

I did not even show him then

One friendly sign;

But cursed him for the ways he had

To make me see

My envy of the praise he had

For praising me.

I would have rid the earth of him

Once , in my pride.

I never knew the worth of him

Until he died.