Some people claim that they love God, but they don't follow and obey the messenger of Allah (pbuh&hp) and don't listen to his sayings, such people lie about their love of God, because the requirement of loving God is following and obeying his Apostle; if human don't follow the Messenger of Allah (pbuh&hp), not only their world is ruined but they will suffer from an unpleasant death, purgatory and resurrection day as well.
Doing a series of precious spiritual works which are possible for everyone brings about the love of Almighty God for human that a part of the verses of the holy Quran are in this regard.
It is incumbent upon every individual to worship to the extent that they can, Imam Sadiq (as) says: religion (religion of Islam) is simple, when you invite someone to the religion (Islam), don't take hard on him, he is a newcomer in the religion (Islam), let him just say his daily prayers, and fast only during Ramadhan Month, of course, if he has no health problems. The Infallible Imams (as) have always emphasized that the religion is simple and asked us not to take hard on people about religion.
source : erfan.ir