Does one who prays without ablution intentionally commit disbelief?

The questioner : A man prayed without ablution intentionally. Does he commit disbelief?

The Shaykh : This question relates to declaring someone a disbeliever, or to the group of those who declare others disbelievers. The principle in this matter, which we have discussed repeatedly, is that anyone who commits a sin, whether it is a major sin or not, falls into one of two states regarding what is settled in his heart. His action is clear; his action is blameworthy. Now, we are speaking about what is settled in the heart. You must know clearly that even some of the specialized jurists did not know the following reality: the heart has an action, not just the limbs. The heart itself has an action. Because this matter, which is mentioned in the Sunnah, is hidden, when the Messenger (peace be upon him) was asked about the best of deeds, he said: . Faith is an action. Therefore, the Salaf said that it increases and decreases. This was hidden from those who said, "No, faith does not increase or decrease," despite the explicit statement of the Qur'an and the succession of authentic hadiths that faith increases and decreases. This is because the faith whose abode is the heart—this heart has an action. Just as it has a physical action known to everyone, it also has a spiritual, conceptual action that is not known to everyone because it is not tangible or visible. Microscopic medicine cannot reach it. This is something Allah (Mighty and Majestic) has informed us of: . Therefore, this person who committed this major sin, praying with the people in a state of major ritual impurity without purification: if what is settled in his heart is that he considers this action permissible, then he is a disbeliever. If his heart condemns it, then he is an open sinner and a transgressor, not a disbeliever. This is the rule for everyone who commits sins, whether major or minor; there is no difference in this at all. If a man considers it permissible in his heart to mock a Muslim without right, that is disbelief, even though it does not occur to a person that someone saying "so-and-so is short" or "so-and-so is fat" or "so-and-so is such-and-such" would thereby commit disbelief. The disbelief here is because disbelief attached to his heart, and that is considering what is forbidden in the religion of Islam to be permissible. As for what many of us do—may Allah grant us safety and well-being—backbiting people, talebearing about people, mocking people, and so on, but their hearts condemn it, that is not disbelief. Rather, it is open sinfulness and disobedience to Allah (Blessed and Exalted is He).
Other than that?