Pride and Prejudice by Jane Austen Chapter 51 Page 15

Pray write instantly, and let me understand it — unless it is, for very cogent reasons, to remain in the secrecy which Lydia seems to think necessary; and then I must endeavour to be satisfied with ignorance.”

“Not that I shall, though,” she added to herself, as she finished the letter; “and my dear aunt, if you do not tell me in an honourable manner, I shall certainly be reduced to tricks and stratagems to find it out.”

Jane’s delicate sense of honour would not allow her to speak to Elizabeth privately of what Lydia had let fall; Elizabeth was glad of it; — till it appeared whether her inquiries would receive any satisfaction, she had rather be without a confidante.