of one's own free will

“What I was trying to say in ‘A Clockwork Orange’ was that it is better to be bad of one’s own free will than to be good through scientific brainwashing.”

Really, the most unsatisfactory husband is a person who should be clung to steadily from beginning to end, for did not one marry him of one's own free will?

"It is essential to die unreconciled," he had said, "and not of one's own free will."

When one thinks how short life is, and that one came away from it all of one’s own free will, and remembers, too, that another is suffering the pain of constant anxiety—‘true, true till death.’

To enter military service of one's own free will, I consider either a stupid, insensate action, suitable for a savage if the man does not understand the evil of his action, or despicable if he does it from an interested motive.…