"I do not deny that in conversion man himself wills. In everything that he does, thinks, feels, he of necessity wills. In believing he wills; in repenting he wills; in turning from his evil ways he wills. All this is true. The opposite is both untrue and absurd. But while fully admitting this, there is another question behind it of great interest and movement. Are these movements of man's will towards good the effects of the forthputting of God's will? Is man willing, because he has made himself so, or because God has made him so? Does he become willing entirely by an act of his own will, or by chance, or by moral suasion, or because acted on by created causes and influences from without?
I answer unhesitatingly, he becomes willing, because another and a superior will, even that of God, has come into contact with his, altering its nature and its bent. This new bent is the result of a change produced upon it by Him who alone, of all beings, has the right, without control, to say, in regard to all events and changes, 'I will'. The man's will has followed the movement of the Divine will. God has made him willing. God's will is first in the movement, not second. Even a holy and perfect will depends for guidance upon the will of God. Even when renewed it still follows, it does not lead. Much more an unholy will, for its bent must be first changed; and how can this be, if God is not to interpose His hand and power?" —Horatius Bonar (1808-1889)
Excerpt taken from God's Will and Man's Will by Horatius Bonar