This quote addresses the challenges faced by individuals whose teachings or philosophies are misinterpreted by their followers. MacDonald warns that when followers build upon a teacher's ideas without truly understanding the foundation, they often create flawed interpretations that lack depth. These misinterpretations, represented as 'wood, hay, and stubble,' are superficial and destined to fail. He suggests that a well-structured system can be misunderstood, leading admirers to cling to both its incorrect elements and their own misconceptions. This misalignment can distort the original message and undermine its value. Thus, MacDonald advises teachers to be wary of their followers, emphasizing that a clear understanding is crucial for meaningful growth. Engaging with complex ideas requires a genuine connection to their essence, rather than a mere adherence to a system. Ultimately, the quote highlights the importance of critical thinking and true understanding in any teaching or belief system.