Q: Context: The aphorism is found in the Second Epistle of Paul the Apostle (with Silvanus and Timothy) to the Thessalonians, in which Paul writes:

Question: where in the bible does it say he who does not work does not eat? Let's give stream of consciousness first:
The relevant information to answer the above question is: The aphorism is found in the Second Epistle of Paul the Apostle (with Silvanus and Timothy) to the Thessalonians, in which Paul writes: Therefore, the final answer is the Second Epistle of Paul the Apostle ( with Silvanus and Timothy ) to the Thessalonians.