Why are we here? What makes a life well-lived? And how can we know what matters--truly--for ourselves?

In Making Sense of Life, physics PhD and entrepreneur Dr. Simin Cai presents a rational, structured approach to life's biggest questions. Drawing from science, philosophy, and personal experience, he helps readers develop their own "theory of life"--a consistent, personal framework for happiness, clarity, and fulfillment.

Instead of offering one-size-fits-all answers, Cai encourages readers to ask better questions: What do I value? What assumptions shape my thinking? How can I define a life worth living for me?

With examples across youth, adulthood, and elderhood, Making Sense of Life is an honest, intelligent alternative to superficial self-help. It's for readers who want depth over hype, logic over slogans, and a framework that evolves with them. It's a must-read for anyone who values reason, clarity, and practical insight over feel-good slogans.