As long as the shell is not split open, the wheat cannot sprout and grow. If this shell is not opened, the life inside will eventually die. Nee writes that the point here is not just theoretical but practical. When one is born again there is life inside the shell. Yet unless the outside shell is cracked open to release the life held inside, our spiritual life dries up and eventually dies.
Nature causes the wheat's shell to crack by using temperature, humidity, and pressure.
We'll cover this more extensively in the other parts of this series. Oftentimes we must walk in ways contrary to the will of God to learn how to walk right. God will allow us to experience failure or trials so that are fruit might grow sweeter and larger by pruning and perfecting us. This is unlearning, a process in which we uncouple from the world's system and and align ourselves with God's purpose. Confronting Your Current Spiritual State I've found that there are many reasons why people don't have their souls cracked open to release their spirits.