A treaty can be worthless.Logical formLearned from7 sentences. Debts can be worthless.Logical formLearned from7 sentences. A (fiat currency) can be worthless.Logical formLearned from7 sentences. Deeds can be worthless.Logical formLearned from7 sentences. A commercial paper can be worthless.Logical formLearned from7 sentences. Excuses can be worthless.Logical formLearned from7 sentences. A common stock can be worthless.Logical formLearned from7 sentences. Services can be worthless.Logical formLearned from7 sentences. Turds can be worthless.Logical formLearned from7 sentences. Gas can be worthless.Logical formLearned from7 sentences. A possession can be worthless.Logical formLearned from7 sentences. An economy can be worthless.Logical formLearned from7 sentences. A check can be worthless.Logical formLearned from7 sentences. Pricks can be worthless.Logical formLearned from7 sentences. Certificates can be worthless.Logical formLearned from7 sentences.