It is time I stepped aside for a less experienced and less able man.

The line reads as a sharply ironic inversion of the usual resignation formula (“step aside for a younger/more able person”). By claiming he will yield to someone “less experienced and less able,” the speaker signals skepticism about the competence of a successor or the decision-making of those demanding the change. It can function as self-deprecating humor, but more often it lands as satire: a protest against being replaced for reasons other than merit (politics, fashion, institutional maneuvering). The wit depends on the clash between the expected praise of the successor and the bluntly negative description, turning a conventional gesture of humility into a critique of the process.