Borges reminds us that probability and likelihood are merely human constructs for prediction—they describe our expectations, not the world's obligations. The truly unexpected doesn't announce itself as improbable; it simply occurs, indifferent to our calculated odds. When a stranger's chance remark plants an idea that changes your career, or you encounter the one person in ten thousand who shares your exact obsession, you're meeting reality on its own terms, not the terms your statistics textbook promised. The humble acknowledgment here is that life's most defining moments often arrive wearing the face of the impossible.