This quote highlights a rather blunt perspective on the origin of foolish ideas, attributing their existence solely to the intelligence level of individuals. From a critical standpoint, it's important to recognize that ideas, whether brilliant or lacking in insight, can emerge from various circumstances and perspectives. Sometimes, what may seem like a 'dumb idea' could be a stepping stone to innovation when reassessed or viewed from a different angle. Conversely, even highly intelligent individuals are capable of generating flawed or shortsighted ideas, especially under pressure or in unfamiliar domains.

Furthermore, this statement dismisses the complexity behind creativity and problem-solving. Intelligence is multifaceted, encompassing emotional, social, and practical skills beyond just cognitive capacity. Many groundbreaking ideas originate from trial, error, and experimentation—processes that are inherently messy and sometimes produce poor ideas along the way.

It’s crucial to foster an environment that encourages open dialogue, understanding that ideas are part of a collective process and that labeling them as 'dumb' may hinder innovation and learning. Also, there is a social and psychological dimension; belittling ideas can stifle creativity and discourage individuals from contributing their thoughts. Every idea, regardless of its initial quality, carries potential if nurtured and examined critically.

Overall, this quote serves as a somewhat harsh reminder that wisdom isn’t solely about quick judgment but about patience, curiosity, and the willingness to explore ideas thoroughly before dismissing them prematurely. Embracing diverse thinking and allowing space for development could transform seemingly 'dumb ideas' into meaningful solutions or inspirations over time.