Though Moses and Samuel, etc. It is a mere supposition which is here made; there is no allusion to any popular view of the intercession of saints (see my note on Isaiah 63:16). If even a Moses or a Samuel would intercede in vain, the ease of the Judahites must indeed be desperate.
For these were the nearest of all the prophets to Jehovah, and repeatedly prayed their people out of grievous calamity (comp. Psalms 99:6). Jeremiah had already sought to intercede for his people (see on Jeremiah 7:16).
Cast them out of my sight; rather, Dismiss them from my presence. The people are represented as praying or sacrificing in the fore courts of the temple.