on free will

"Then who can be saved?" Jesus looked at them and said, "With man it is impossible, but not with God. For all things are possible with God."
- Mark 10:26, 27

"He said to them, "But who do you say that I am?" Simon Peter answered, "You are the Christ, the Son of the living God." And Jesus said to him, "Blessed are you, Simon Barjona, because flesh and blood did not reveal this to you, but My Father who is in heaven."
- Matt 15: 16-17

"If any man doth ascribe of salvation, even the very least, to the free will of man, he knoweth nothing of grace, and he hath not learnt Jesus Christ aright."
-Martin Luther

"To suppose that whatever God requireth of us that we have power of ourselves to do, is to make the cross and grace of Jesus Christ of none effect."
- John Owen

"if the final decision for the salvation of fallen sinners were left in the hands of fallen sinners, we would despair all hope that anyone would be saved"
- R.C. Sproul

"Man is nothing: he hath a free will to go to hell, but none to go to heaven, till God worketh in him to will and to do his good pleasure"
- George Whitefield

"Free will carried many a soul to hell, but never a soul to heaven"
- C.H. Spurgeon

"God’s predetermination of second causes is that effectual working of his, according to his eternal purpose, whereby though some agents, as the wills of men, are causes most free and indefinite, or unlimited lords of their own actions, in respect of their internal principle of operation (that is, their own nature), [they] are yet all, in respect of his decree, and by his powerful working, determined to this or that effect in particular; not that they are compelled to do this, or hindered from doing that, but are inclined and disposed to do this or that, according to their proper manner of working, that is, most freely"
- John Owen

"The will is not destroyed but rather repaired by grace."
- John Calvin; Institutes of the Christian Religion; Book 2, Chap. 5, Sec. 15