Dangerous Liaisons by Pierre Choderlos de Laclos

Now that you dread succeeding, my dear Viscount, now that your scheme is to furnish arms against yourself, and that you wish more to fight than conquer, I have nothing more to say. Your conduct is certainly a masterpiece of prudence; in a contrary supposition, it would be the highest act of folly; and to tell you my sentiments freely, I fear your project is entirely chimerical.

I do not reproach you for having let slip the opportunity; for I really cannot see that you had it in your power; and I know well, whatever others may say, that an opportunity lost may be found again, and that a rash step is irrecoverable.