Watchman Nee emphasizes the profound truth of the believer's crucifixion with Christ, asserting that just as Jesus and the thieves were crucified, so too are we crucified with Him on the same cross. This reality is not dependent on our feelings but is a divine fact established by God. Nee explains that true deliverance from sin comes not from our strength but from recognizing our weakness and accepting that we have been removed from the power of sin through Christ's sacrifice. He encourages believers to see their old selves as crucified, leading to a life of freedom and grace. The message is that sanctification is as much a gift of grace as initial salvation, requiring acceptance rather than effort.