If rational thought thinks itself out to a conclusion, it arrives at something non-rational which, nevertheless, is a necessity of thought.
Albert Schweitzer

A Necessity of Thought
Topic: Truth, Law, & Principle
If rational thought thinks itself out to a conclusion, it arrives at something non-rational which, nevertheless, is a necessity of thought. This is the paradox which dominates our spiritual life. If we try to get on without this non-rational element, there result views of the world and of life which have neither vitality nor value.
Albert Schweitzer was born on January 14, 1875, in Kaysersberg, Alsace, into a family deeply rooted in the traditions of religion, music, and education. Both his father and maternal grandfather were Lutheran ministers, and his early exposure to church life, theological study, and classical music shaped his intellectual and spiritual development. He pursued theology and philosophy at the University of Strasbourg, earning a doctorate in philosophy in 1899 with a focus on Immanuel Kant’s religious thought. In 1900, he received his licentiate in theology. His academic and pastoral work during this period included preaching at St. Nicholas Church and serving in leadership roles at the Theological College of St. Thomas. In 1906, he published The Quest of the Historical Jesus, a critical work that contributed to modern theological scholarship.
Alongside his theological and philosophical work, Albert Schweitzer was a gifted musician. He began studying piano and organ in childhood and was performing publicly by the age of nine. He went on to become an internationally known concert organist, using income from performances to fund both his education and later medical missions. As a musicologist, he published a biography of Johann Sebastian Bach in 1905 and contributed to the study of organ building and playing. In 1905, he made a pivotal decision to study medicine with the goal of becoming a medical missionary. He earned his medical degree in 1913 and soon after established a hospital in Lambaréné, French Equatorial Africa, where he and his wife later endured internment during World War I.
After returning to Lambaréné in 1924, Albert Schweitzer dedicated the remainder of his life to expanding and maintaining the hospital, which grew into a complex capable of treating hundreds of patients. He combined the roles of physician, surgeon, pastor, administrator, writer, and host, drawing on his wide range of training and experience. His written works during this time included On the Edge of the Primeval Forest and Civilization and Ethics. Schweitzer received several international honors, including the Goethe Prize and the 1953 Nobel Peace Prize. The prize money supported the establishment of a leprosarium at Lambaréné. Albert Schweitzer died there on September 4, 1965, leaving behind a legacy grounded in service, scholarship, and what he called “Reverence for Life.”
Civilization and Ethics
Schweitzer, Albert. Civilization and Ethics. United Kingdom, A. & C. Black, Limited, 1923. Albert Schweitzer [Kulturphilosophie (1923), Vol. 2 : Civilization and Ethics].

Albert Schweitzer
Theme: Truth
About This Albert Schweitzer Quotation [Commentary]
Albert Schweitzer’s reflections on rational thought reveal a critical insight into the pursuit of truth. In his quote, Schweitzer suggests that rational thought, despite its logical rigor, ultimately leads us to a non-rational realm that is essential for complete understanding. This transition from rational to non-rational is not a shortcoming, but an acknowledgment of the limits of logic. Rationality, with its linear and analytical approach, reaches a point where it intersects with the mystical and intuitive, illustrating the complexity of grasping the full spectrum of truth.
In his expansion, Schweitzer underscores the importance of this non-rational element in our spiritual and intellectual lives. He posits that without this component, our views on life and the world lack depth and authenticity. This blend of rational and non-rational thought enriches our understanding, infusing our perceptions with meaning beyond what is attainable through logic alone. It suggests that truth is not just an intellectual concept, but a richer, more dynamic experience that intertwines with our deeper, personal insights.
Schweitzer advocates for a balanced approach to understanding truth, combining rational thought with mysticism. He sees this fusion as necessary for a profound worldview, where knowledge evolves into deep, experiential wisdom. In this process, the idealism of our beliefs is rekindled, not just through intellect, but through a holistic engagement with life. Schweitzer’s vision thus frames truth as a multifaceted journey, requiring both our rational understanding and our deeper, often non-rational, experiences.
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