Based on the article Human Depravity (p. 147) in Essential Truths of the Christian Faith by R.C. Sproul.
Does the Bible say that mankind is basically good or basically evil?
We are all sinners. We are all totally (yet not utterly) depraved. That first sin of Adam and Eve affected all future humans. The result of this first sin is that everybody is born with a sinful and corrupt nature. This result is known as original sin.
Therefore, just as through one man sin entered the world, and death through sin, and thus death spread to all men, because all sinned-- (For until the law sin was in the world, but sin is not imputed when there is no law. Nevertheless death reigned from Adam to Moses, even over those who had not sinned according to the likeness of the transgression of Adam, who is a type of Him who was to come. But the free gift is not like the offense. For if by the one man's offense many died, much more the grace of God and the gift by the grace of the one Man, Jesus Christ, abounded to many. And the gift is not like that which came through the one who sinned. For the judgment which came from one offense resulted in condemnation, but the free gift which came from many offenses resulted in justification. For if by the one man's offense death reigned through the one, much more those who receive abundance of grace and of the gift of righteousness will reign in life through the One, Jesus Christ.) Therefore, as through one man's offense judgment came to all men, resulting in condemnation, even so through one Man's righteous act the free gift came to all men, resulting in justification of life. For as by one man's disobedience many were made sinners, so also by one Man's obedience many will be made righteous. (NKJ)
Surely I was sinful at birth, sinful from the time my mother conceived me. (NIV)
The heart is deceitful above all things and beyond cure. Who can understand it? (NIV)
for all have sinned and fall short of the glory of God, (NKJ)
I John 1:8-10
If we say that we have no sin, we deceive ourselves, and the truth is not in us. If we confess our sins, He is faithful and just to forgive us our sins and to cleanse us from all unrighteousness. If we say that we have not sinned, we make Him a liar, and His word is not in us. (NKJ)
As it is written: "There is none righteous, no, not one; There is none who understands; there is none who seeks after God. They have all turned aside; they have together become unprofitable; there is none who does good, no, not one." (NKJ)
We know that the law is spiritual; but I am unspiritual, sold as a slave to sin. (NIV)
But I see another law in my members, warring against the law of my mind, and bringing me into captivity to the law of sin which is in my members. (NKJ)
We are only made spiritually alive by the work of God. Until God chooses and changes us we are spiritually dead.
And you He made alive, who were dead in trespasses and sins, in which you once walked according to the course of this world, according to the prince of the power of the air, the spirit who now works in the sons of disobedience, among whom also we all once conducted ourselves in the lusts of our flesh, fulfilling the desires of the flesh and of the mind, and were by nature children of wrath, just as the others. But God, who is rich in mercy, because of His great love with which He loved us, even when we were dead in trespasses, made us alive together with Christ (by grace you have been saved), and raised us up together, and made us sit together in the heavenly places in Christ Jesus, that in the ages to come He might show the exceeding riches of His grace in His kindness toward us in Christ Jesus. For by grace you have been saved through faith, and that not of yourselves; it is the gift of God, not of works, lest anyone should boast. For we are His workmanship, created in Christ Jesus for good works, which God prepared beforehand that we should walk in them. (NKJ)
There is therefore now no condemnation to those who are in Christ Jesus, who do not walk according to the flesh, but according to the Spirit. For the law of the Spirit of life in Christ Jesus has made me free from the law of sin and death. For what the law could not do in that it was weak through the flesh, God did by sending His own Son in the likeness of sinful flesh, on account of sin: He condemned sin in the flesh, that the righteous requirement of the law might be fulfilled in us who do not walk according to the flesh but according to the Spirit. For those who live according to the flesh set their minds on the things of the flesh, but those who live according to the Spirit, the things of the Spirit. For to be carnally minded is death, but to be spiritually minded is life and peace. Because the carnal mind is enmity against God; for it is not subject to the law of God, nor indeed can be. So then, those who are in the flesh cannot please God. But you are not in the flesh but in the Spirit, if indeed the Spirit of God dwells in you. Now if anyone does not have the Spirit of Christ, he is not His. And if Christ is in you, the body is dead because of sin, but the Spirit is life because of righteousness. But if the Spirit of Him who raised Jesus from the dead dwells in you, He who raised Christ from the dead will also give life to your mortal bodies through His Spirit who dwells in you. (NKJ)
Can we choose God before he chooses us? No!
"It is the Spirit who gives life; the flesh profits nothing. The words that I speak to you are spirit, and they are life. "But there are some of you who do not believe." For Jesus knew from the beginning who they were who did not believe, and who would betray Him. And He said, "Therefore I have said to you that no one can come to Me unless it has been granted to him by My Father." (NKJ)