The Bible is written in parables, riddles, symbols, similitudes, allegories, and analogies, and God has deliberate reasons for employing such language. A parable, derived from the Greek word parabole, is a similitude or a fictitious narrative of common life that conveys a moral, often rendered as a comparison, figure, parable, or proverb. It is not a direct account of events but a comparison requiring interpretation to grasp its true meaning. Paradoxically, Christ spoke in parables not to clarify meaning for His hearers but to veil it. From the beginning, God has overseen the writing of Scripture so that its meaning remains hidden without divine assistance. Even prophets and righteous men of old often did not comprehend their own messages, nor did the multitudes who heard Christ's parables understand Him. The meaning is obscured from most of mankind until God offers them salvation at a later time. God has established a system to call, convert, and educate a select few for Himself. These chosen individuals, a small minority among billions, are not the mighty or learned but the weak of the world, spiritual infants whom God nurtures with His revealed Word. Only they, through God's calling, faith, grace, Spirit, and teachers, have a genuine opportunity to understand the Bible properly. A similitude, akin to a parable, is a similarity, comparison, likeness, image, or shadow. God spoke through prophets in similitudes, and Old Testament accounts are preserved for modern understanding and application. What happened to Israel and Judah in prophecies may apply in principle or type to their descendants or to the church, reflecting broader patterns or precursors in a similar, though not identical, manner. An allegory, like a parable, is a figurative expression or symbolic representation, often showing a deeper meaning beneath the surface through a one-to-one correspondence of symbol to reality. Through allegories, physical elements can point to spiritual truths, enhancing understanding of God's plan. Biblical understanding is likened to a locked treasure that must be opened with keys. These keys to revelation are contained in Christ, and the Bible provides ample information on them. God has obscured the mystery of His purpose from the world, revealing only to His elect what they need for salvation. By allowing the Bible to interpret its own symbols, its metaphorical language deepens comprehension of God, His plan, and His Kingdom.

Jesus Christ employed parables as a central method of teaching, often veiling deeper spiritual truths beneath surface narratives. In Matthew 13:3, He begins with the Parable of the Sower, speaking to the multitudes in symbolic language. When asked by His disciples in Matthew 13:10 why He speaks in parables, He reveals a profound purpose: not all are granted the spiritual ears to hear or eyes to see. As stated in Matthew 13:12-16, to those who have understanding, more will be given, but from those who lack it, even what they have will be taken away. He explains that He uses parables because many see yet do not perceive, and hear yet do not understand, fulfilling the prophecy of Isaiah about dulled hearts and closed senses. Further, in Matthew 13:34-35, it is noted that Jesus spoke to the crowds in parables, fulfilling the prophetic declaration of revealing hidden things through such teachings. His parabolic method often involves comparisons or similitudes, where a surface meaning is easily grasped, but a deeper, more serious truth lies beneath, accessible only to those whom God grants understanding. This dual-layered approach, akin to the Hebrew concept of may-sal (meaning "to be like"), illustrates how physical realities mirror spiritual ones, requiring discernment to uncover the fuller significance. The purpose of parables, therefore, is to both reveal and conceal. They disclose truth to those whom God has enabled to comprehend, while obscuring it from others, as part of His sovereign will. This selective revelation impacts how judgments are made within the congregation, urging caution since not all possess the same level of spiritual insight, and some truths remain hidden even from the converted until God chooses to unveil them.

Jesus explains the purpose of parables in Matthew 13:10-17, revealing that His intent is not to clarify meaning for all, but to conceal it from those He does not wish to understand. Only through the Spirit of God can the true meaning of parables be unlocked, as He must grant the understanding. Without the necessary keys, the interpretation will be incorrect or misguided. The ability to comprehend spiritual matters, including parables, requires the Holy Spirit and the mind of Christ to open up the deeper truths hidden within the scriptures.

The purpose of parables often lies in their ability to convict individuals of their own sin. Some are crafted to reveal personal faults, as seen when Nathan uses a parable to make King David recognize the gravity of his sin with Bathsheba. In a similar vein, Jesus Christ employs parables to confront the wrongdoing of His adversaries in a way that is undeniable and irrefutable. These condemnatory parables serve as calls to repentance while also allowing the offenders to judge themselves through their own responses. In the Parable of the Two Sons, Jesus directly challenges the chief priests and elders to question their thoughts and motives, intending for them to convict themselves through reflection on His words. Through such stories, He seeks a reaction akin to David's response to Nathan, urging a turn from sin to obedience.