We might preach till our tongues rotted, till we should...

We might preach till our tongues rotted, till we should exhaust our lungs and die, but never a soul would be converted unless there were mysterious power going with it - the Holy Ghost changing the will of man. O Sirs! We might as well preach to stone walls as preach to humanity unless the Holy Ghost be with the word, to give it power to convert the soul.