All that we are is the result of what we have thought: the opening verse announces a psychology so radical in its simplicity that twenty-five centuries of commentary have not exhausted it. This collection of 423 verses, attributed to the Buddha, forms the most widely read text in the Theravada canon, a handbook whose brevity concentrates enormous force. The verses address anger, desire, old age, and the self with a directness that cuts through ritual and metaphysics. There is no theology here, only observation: that suffering arises from craving, that the mind can be trained, that freedom is possible for anyone willing to walk the path. It is scripture distilled to its essence, portable, luminous, and unceasingly practical.