Examples:

• Sometimes one must employ the law of the jungle.
• This law has a name: the law of the jungle.
• There is a higher law, the law of the jungle.
• Competition without solidarity would result in the law of the jungle.
• Let me explain to you the law of the jungle.
• But this one is governed by the law of the jungle.
• Didn't you say that we're ruled by the law of the jungle?
• Free trade is the law of the jungle.
• He called that the law of the jungle.
• It's the law of the jungle, isn't it?