Beware, Charlie, old men only lie in wait for people to ask them to talk. Then they rattle on like a rusty elevator wheezing up a shaft.

Ray Bradbury (1920-2012) American writer, futurist, fabulist

“The Time Machine” [Colonel Freeleigh] (1957)
    (Source)

This story comprises ch. 17-18 of his novel Dandelion Wine (1957); the novel is a collection of his short stories, re-edited into a single narrative work. "The Time Machine" was based on his short story, "The Last, the Very Last," first published in The Reporter (1955-06-02), though this particular quote is not in it.