Hazrat Yahya bin Ubaid says that Hazrat Abdullah bin Yazid was asked about the person who does not perform bowing and prostration properly in prayer, so he replied that it is better than not praying at all.

Hazrat Abu Qais says that Hazrat Masruq saw a man who was praying and in prostration he had lifted his feet. Hazrat Masruq said that his prayer was not complete.

Hazrat Imran says that Hazrat Abu Majliz saw a man who, while in the state of prostration, had lifted one of his feet. He said, "Allah the Exalted made them six, and you have made them five!"

Hazrat Salman Farsi says that prayer is a measure; whoever fulfills it, Allah Almighty will grant him full reward on the Day of Judgment. And you know what Allah Almighty has said about the measure { وَیْلٌ لِلْمُطَفِّفِینَ } "Woe to those who give less in measure."

A man narrates that once Hazrat Abu Darda passed by a person who was not performing bowing and prostration properly. When this was mentioned to Hazrat Abu Darda, he said that it is better not to pray at all than to pray like this.

Hazrat Qais narrates that Hazrat Bilal saw a man who was not performing bowing and prostration properly. He said that if he dies in this state, he will die having deviated from the religion of Isa ibn Maryam.