Words.

Vladimir:
    Say, I am happy.

Estragon:
    I am happy.

Vladimir:
    So am I.

Estragon:
    So am I.

Vladimir:
    We are happy.

Estragon:
    We are happy.
    (Silence.)
    What do we do now, now that we are happy?

Vladimir:
    Wait for Godot.
    (Estragon groans. Silence.)

-Samuel Beckett, Waiting for Godot.