All rationalism tends to minimalise the value and the importance of life and to decrease the sum total of human happiness.

The quote "All rationalism tends to minimalise the value and the importance of life and to decrease the sum total of human happiness" by H. P. Lovecraft reflects his skepticism towards an overly logical or scientific approach to understanding the world. Lovecraft, a pioneering figure in the genre of horror fiction, often explored themes that questioned the limitations of human reason. In this quote, he suggests that rationalism, which relies heavily on logic and empirical evidence, might strip away the deeper, more profound aspects of human existence.

Lovecraft's work is known for delving into the mysterious, often confronting the inadequacy of human understanding in the face of vast, incomprehensible forces. His view in this quote aligns with his belief that rationalism—the insistence on understanding the universe solely through reason and science—can diminish the mystery and wonder of life. In his opinion, this perspective reduces life’s value, focusing on cold, analytical approaches instead of appreciating the emotional, spiritual, and mystical dimensions of existence.

Moreover, Lovecraft argues that rationalism could also lead to a decrease in human happiness. When individuals are solely focused on the logical aspects of existence, they might miss the emotional fulfillment that comes from imagination, art, and a sense of wonder about the unknown. By reducing life to mere rational processes, there is a risk of losing sight of the joy and deeper meaning that come from embracing life in all its complexity.

This quote reveals Lovecraft's complex relationship with reason and emotion. While he was deeply influenced by the scientific advancements of his time, he also warned against the potential dangers of relying solely on rationality, urging for a balance that acknowledges the emotional and mystical aspects of life that contribute to true human happiness.