Great Expectations by Charles Dickens Chapter 51 Page 9

Jaggers's sharpness should detect that there had been some communication unknown to him between us.

“And on what evidence, Pip,” asked Mr. Jaggers, very coolly, as he paused with his handkerchief half way to his nose, “does Provis make this claim?”

“He does not make it,” said I, “and has never made it, and has no knowledge or belief that his daughter is in existence.”

For once, the powerful pocket-handkerchief failed.

My reply was so unexpected, that Mr. Jaggers put the handkerchief back into his pocket without completing the usual performance, folded his arms, and looked with stern attention at me, though with an immovable face.