"I don't like to share wealth with other people," the hidden voice purred.

The voice purred with a fury that made it no less memorable.

"Every human right is guaranteed to you," its bright voice purred.

"After that, well have what we need," the voice purred.

His voice was a deep bass, but soft, almost purring.

Jefferson's soft voice purred when he discussed his meeting with Clinton.

His voice purred words that Harry could barely hear.

Her voice still purred with a satisfied tone, promising pain to someone.

The voice at the other end of the wire purred with approval.