God guides, not by a visible sign, but by swaying the judgment. To wait before Him, weighing candidly in the scales every consideration for or against a proposed course, and in readiness to see which way the preponderance lies, is a frame of mind and heart in which one is fitted to be guided; and God touches the scales and makes the balance to sway as He will. But our hands must be off the scales, otherwise we need expect no interposition of His in our favor.
George Muller