John 9:34

Thou wast altogether born in sins -In sins (first for emphasis) every part of thy nature (comp. John 13:10) has been steeped from thy birth; thou wast born a reprobate." They hold the same belief as the disciples, that sin before birth is possible, and maliciously exclude not only the alternative stated by Christ (John 9:3) but even the one stated by the disciples (John 9:2), that his parents might have sinned. Their passion blinds them to their inconsistency. They had been contending that no miracle had been wrought; now they throw his calamity in his face as proof of his sin.

Dost thou teach us? -Dost thou, the born reprobate, teach us, the authorized teachers?"

they cast him out Or, they put him forth: see on John 10:4. This probably does not mean excommunication. (1) The expression is too vague. (2) There could not well have been time to get a sentence of excommunication passed. (3) The man had not incurred the threatened penalty; he had not -confessed that He was Christ" (John 9:22). Provoked by his impracticability and sturdy adherence to his own view they ignominiously dismiss him turn him out of doors, if (as the -out" seems to imply) they were meeting within walls.