This Ayah indicates that the pious person should express his love to Allah by believing in His Prophet and following the Message, and through obeying the Prophet, abiding by his orders, leaving what he prohibits and obeying all what Allah has revealed to him, because that is the vivid expression of the practical love that fills his whole entity.
Mohammad Hussein FadlallahIn this way, Allah will love the pious person because He, the Most Exalted, loves those who are pious, truthful, charitable, devout, and are sincere to Him and to His Prophet.
Mohammad Hussein FadlallahIslam emphasized the internal purity of man that is achieved through the purity of the mind in realizing the Right and the purity of feelings through having the pure intention towards man, far away from the meanness of malevolence and hatred and through the purity of the movement that is not lunched except for the sake of justice, Good and life.
Mohammad Hussein FadlallahSaying "Ameen" is permissible after reciting the Surah of al-Hamd in the Salat (but it's still not part of the Salat) especially with the intention of supplication.
Mohammad Hussein Fadlallah