T.S. Eliot--The Hollow Men

The phrase "The world will end, not with a bang but with a whimper." Please, what poet wrote it?

One of my faves. First read it in high school. So good:

The Hollow Men
T.S Eliot

Between the desire
And the spasm
Between the potency
And the existance
Between the essence
And the descent
Falls the shadow

For Thine is the Kingdom
For Thine is
Life is
For Thine is the

This is the way the world ends
This is the way the world ends
This is the way the world ends
Not with a bang but a whimper