Concealing Testimony as a Sin of the Heart
What is meant is that concealing testimony is not presented here as a procedural act separate from the person who commits it, but as a matter connected to the heart and to a cognitive stance. The available material does not establish any further detail than this.
What Is Attributed to Shahrur
The episode summary attributes to Shahrur a reading of the phrase “for indeed his heart is sinful” according to which concealing testimony is “a failure in the heart-related and cognitive stance.” The available evidence is a paraphrase requiring review, not a verbatim quotation from his words or from the episode text.
Atlas Explanation
This presentation distinguishes between the act itself, namely concealing testimony, and the description attributed to it, namely its connection to the heart. It does not add a general definition of sin, nor does it turn the description into a judgment on all forms of error in testimony.
Conclusion
Within the limits of this summary alone, the claim may be understood as linking testimony to a responsibility that goes beyond the external form of the act. This is an organizational inference from the paraphrase, not an independent quotation from Shahrur.
Open Question and Source Limits
Did Shahrur explain in the episode the meaning of “the heart” or “sin” through a broader terminological definition? The attached material does not settle this. The original episode must be consulted before attributing any additional detail to him.