Meaning: This quote by Matthew Arnold, an English poet and cultural critic, encapsulates the idea that ideas and beliefs that were once considered radical or unconventional in one era often become widely accepted and integrated into the mainstream mindset in the future. It speaks to the evolution of societal norms and values, suggesting that what is considered "freethinking" in one period eventually becomes the "common sense" of the succeeding era.

At its core, this quote conveys the concept of progress and change in human thought and society. It implies that as society advances and evolves, so too does its acceptance of new ideas and perspectives. What may have been deemed radical or controversial in one age can become the foundation of common understanding and belief in the next.

The idea that freethinking becomes common sense over time is evident in numerous historical and cultural contexts. Throughout history, there have been countless examples of ideas and movements that were initially met with resistance and skepticism, only to be embraced and integrated into mainstream thinking in subsequent years or decades. This process of shifting attitudes and beliefs reflects the dynamic nature of human society and the capacity for collective change and growth.

In the realm of science and technology, the quote's sentiment is particularly resonant. Many scientific breakthroughs and technological innovations that were once considered revolutionary or even heretical eventually became fundamental components of modern knowledge and practice. Concepts such as the heliocentric model of the solar system, the theory of evolution, and the principles of relativity were all initially met with skepticism and opposition before becoming widely accepted within the scientific community and society at large.

Moreover, the quote speaks to the role of individuals and groups who challenge prevailing norms and conventions, pushing boundaries and advocating for new ways of thinking. Freethinkers, innovators, and visionaries throughout history have often faced criticism and resistance for their ideas, yet their contributions have ultimately shaped the trajectory of human progress. Their willingness to question established beliefs and explore unconventional paths has paved the way for societal transformation and the advancement of knowledge.

In the realm of social and political thought, the quote's relevance is equally significant. Movements advocating for civil rights, gender equality, and social justice have historically been met with opposition and hostility before gaining widespread acceptance and recognition. The struggles of these movements and the individuals involved exemplify the process described in the quote, as their freethinking ideals and principles have gradually influenced and shaped the common sense of subsequent generations.

In conclusion, Matthew Arnold's quote captures the dynamic nature of human thought and societal evolution. It underscores the transformative power of freethinking and the progression of ideas from the margins to the mainstream. By recognizing the interplay between freethinking and common sense, we gain insight into the ongoing evolution of human consciousness and the enduring capacity for change and advancement.