Nature can refuse to speak but she cannot give a wrong answer.

One pits his wits against apparently inscrutable nature, wooing her with ardor but nature is blind justice who cannot recognize personal identity.

Nature can refuse to speak but she cannot give a wrong answer.

One pits his wits against apparently inscrutable nature, wooing her with ardor [but] nature is blind justice who cannot recognize personal identity.

We wanted to see if hormone therapy would do for elderly gentlemen what it would do for their best friends, elderly male dogs.

We cannot always oblige; but we can always speak obligingly.