How do we know that man cannot come to Christ on his own?

The Scriptures affirm that man's inherent nature is depraved as a result of the fall. Romans 8:7 states that 'the carnal mind is enmity against God,' indicating that the human will is fundamentally opposed to God. Because of this depravity, man cannot seek or choose God on his own. The necessity of God's drawing illustrates that, apart from a supernatural work of the Holy Spirit, one cannot come to Christ savingly. This established doctrine reflects the historic Reformed understanding of total depravity and the need for divine grace in regeneration.