In this quote, Samuel Beckett reflects on the repetitive nature of language and the emotions tied to it. The phrase "the churn of stale words" suggests a sense of weariness with familiar expressions, emphasizing how they can lose their vibrancy over time. This conveys a feeling of nostalgia or longing as one revisits old sentiments.
The latter part of the quote, "love love love thud of the old plunge," evokes the deep, sometimes overwhelming, experience of love. It encapsulates the idea that despite the weariness of words, the emotional impact remains powerful and profound, akin to the physical sensation of a leap into the depths of love's complexities.