Meaning: Ralph Cudworth, a 17th-century English philosopher and theologian, is known for his profound insights into the nature of knowledge and truth. The quote, "The true knowledge or science which exists nowhere but in the mind itself, has no other entity at all besides intelligibility; and therefore whatsoever is clearly intelligible, is absolutely true," encapsulates Cudworth's perspective on the nature of knowledge and truth. In this quote, Cudworth emphasizes the intrinsic connection between true knowledge and intelligibility, asserting that what is clearly intelligible is inherently true.

Cudworth's assertion that true knowledge exists "nowhere but in the mind itself" reflects his idealist philosophy, which posits that ultimate reality is grounded in the realm of ideas and the mind. According to Cudworth, genuine knowledge is not derived from external sources or empirical observations; rather, it is rooted in the intellect's capacity to apprehend and comprehend intelligible truths. This perspective aligns with the tradition of rationalism, which emphasizes the primacy of reason and intellectual intuition in the pursuit of knowledge.

Furthermore, Cudworth's emphasis on intelligibility as the sole entity of true knowledge underscores the importance of clarity and coherence in the realm of ideas. For Cudworth, genuine knowledge is characterized by its intelligible nature – the capacity to be clearly understood and grasped by the intellect. This notion resonates with the broader philosophical tradition, which values the clarity and coherence of concepts and propositions as criteria for truth and knowledge.

Moreover, Cudworth's assertion that "whatsoever is clearly intelligible, is absolutely true" reflects his confidence in the reliability of intelligibility as a criterion for truth. In this view, the clarity and intelligibility of an idea serve as indicators of its truthfulness, suggesting that the mind's capacity to apprehend and understand a concept is a reliable guide to discerning truth. This perspective aligns with the rationalist tradition's emphasis on the intellect's ability to discern innate truths through rational reflection and insight.

It is important to consider the historical and intellectual context in which Cudworth formulated his ideas. During the 17th century, philosophical debates regarding the nature of knowledge, truth, and the mind were prevalent, with thinkers grappling with the implications of scientific advancements, religious upheavals, and the evolving understanding of the human intellect. Cudworth's work emerged within this context, reflecting his engagement with the philosophical and theological currents of his time.

In conclusion, Ralph Cudworth's quote encapsulates his idealist perspective on the nature of knowledge and truth, emphasizing the intrinsic connection between intelligibility and truth. His assertion that true knowledge exists within the mind itself and is characterized by its intelligible nature reflects his commitment to rationalism and the primacy of the intellect in discerning truth. Cudworth's insights continue to resonate with contemporary discussions on epistemology and the nature of knowledge, inviting further reflection on the relationship between intelligibility and truth.