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qul yā-ʾahla l-kitābi lastum ʿalā shayʾin ḥattā tuqīmū t-tawrāta wa-l-ʾinjīla wa-mā ʾunzila ʾilaykum min rabbikum wa-la-yazīdanna kathīran minhum mā ʾunzila ʾilayka min rabbika ṭughyānan wa-kufran fa-lā taʾsa ʿalā l-qawmi l-kāfirīna
Say, ‘O People of the Book! You do not stand on anything until you observe the Torah and the Evangel and what was sent down to you from your Lord.’ Surely many of them will be increased in rebellion and unfaith by what has been sent down to you from your Lord. So do not grieve for the faithless lot.
— Ali Quli Qarai
Surah Al-Ma'idah, Verse 68
68. "Say: 'O' People of the Book you follow naught (no true religion) till you keep up the Torah and the Evangel and what has been sent down unto you from your Lord; and surely that which has been sent down to you from your Lord (the Qur'an} shall increase many of them in insolence and infidelity. So do not grieve for the unbelieving ones."
It is necessary to believe in all the heavenly Books, and a mere claim of belief is not sufficient. Practice and establishment of action for Faith is indispensable. Thus, the person who does not practise his Faith has no religion. The personality and value of individuals is estimated by the level of their action on the religious duties. Infidelity and obstinacy of persons do not harm the Islamic system and ideology, but they themselves incur its harm. Allah is the protector of the religion.
It is evident, of course that the content meaning of this verse is not allocated to the Jews. If the Muslims suffice only to the claim of Islam, too, and do not establish the prophets' principles of training and their own heavenly Book in particular, they will have neither any rank nor value with Allah nor in their own personal and social life. So, they will always be helpless, inferior and defeated.