Isaiah 30:20-21 (KJV) - "And though the Lord give you the bread of adversity, and the water of affliction, yet shall not thy teachers be removed into a corner any more, but thine eyes shall see thy teachers. And thine ears shall hear a word behind thee, saying, This is the way, walk ye in it, when ye turn to the right hand, and when ye turn to the left."

In these two verses from the book of Isaiah, we see a message of hope and guidance amidst adversity and affliction. The passage begins with the acknowledgment of the challenges and hardships that the people may face - the "bread of adversity" and the "water of affliction" symbolize the difficult times that may come their way. This imagery reflects the harsh realities of life, where people may struggle and experience suffering. However, despite these hardships, the passage assures that the presence of God will not forsake them and that they will receive the guidance and support they need to navigate through their troubles.

The verse goes on to speak about the presence of teachers who will not be hidden or removed during these tough times. This can be interpreted as a promise that God will provide wise and knowledgeable individuals to offer counsel and advice to those in need. This assurance of readily available guidance demonstrates the compassion and care that God has for his people, even in the midst of their trials.

Furthermore, the verse speaks of the direct guidance that the people will receive from the Lord. It describes a voice speaking behind them, directing them in the way they should go - "This is the way, walk ye in it, when ye turn to the right hand, and when ye turn to the left." This imagery emphasizes the intimate and personal nature of God's guidance, as if He is constantly by their side, leading and directing them on the right path. It reassures the people that they are not alone in their struggles and that God's presence will always be with them, offering them a way forward.

The themes of adversity, guidance, and faith are central to this passage. It acknowledges the reality of difficult times and the challenges that people may face, but it also offers hope and reassurance that God will not abandon them. The imagery of the "bread of adversity" and the "water of affliction" serves as a reminder of the hardships that can be encountered in life, while the promise of teachers and direct guidance from God conveys the message of support and protection in times of need.

The context of this passage is significant in understanding its message. The book of Isaiah is a prophetic book, filled with warnings, promises, and messages of hope for the people of Israel. In the preceding verses, the prophet Isaiah condemns the rebellious nature of the people and warns them of the consequences of their actions. However, amidst the warnings, there are also promises of restoration and redemption for those who turn back to God. This passage can be seen as a continuation of that theme, offering comfort and hope to the people as they navigate through the consequences of their actions.

The symbolism in this passage is powerful and rich in meaning. The "bread of adversity" and the "water of affliction" symbolize the hardships and challenges that people face in life. These images are relatable and universal, as everyone experiences adversity and affliction at some point in their lives. The presence of teachers and the voice of God symbolize the guidance and support that can be found in times of trouble. This imagery conveys the idea that God provides the wisdom and direction that is needed to overcome difficulties and continue on the right path.

Overall, Isaiah 30:20-21 offers a message of hope and reassurance in the face of adversity. It acknowledges the reality of hardships while also providing comfort and guidance for those in need. The themes of faith, guidance, and perseverance resonate throughout the passage, offering a powerful reminder of God's presence and care for his people.