Is the truth accepted if it is brought by a disbeliever or an innovator?

Question:
Does the story of Abu Hurayrah with Satan imply that the truth should be accepted if it is brought by a disbeliever or an innovator, and that his speech should not be rejected in its entirety or in detail?

Answer:
Abu Hurayrah was eager for good, as were the Companions. He accepted it when he presented it to the Prophet (peace and blessings be upon him) and the Prophet (peace and blessings be upon him) confirmed it. However, the fact that Abu Hurayrah let him go, though he was unknown, indicates mercy. It is better to give charity to a person who comes claiming to be poor and in need, even if he is unknown, because he may be truthful. So Abu Hurayrah gave him charity and allowed him to go, and the Prophet (peace and blessings be upon him) did not rebuke him. This indicates that if someone claims poverty and need, and you do not know his condition, you should give him charity, because he may be truthful. Give him what satisfies his need, unless you know he is a liar, in which case you should advise him.
Q: My intention is regarding accepting the truth from a disbeliever or an innovator?
The Shaykh: This has another aspect; because this evidence is that Abu Hurayrah did not accept it except after he presented it to the Prophet (peace and blessings be upon him) and the Prophet confirmed it in the noble verse.
Q: What is the other evidence?
The Shaykh: But the truth is accepted based on other evidence. If someone brings the truth, it is obligatory to accept the truth, even if it comes from a disbeliever.