Aristotle was an ancient Greek philosopher whose work explored ethics, politics, and the nature of a good life. This saying is widely attributed to him, but its precise wording cannot be reliably traced to a surviving Aristotelian text. It is best treated as a modern summary of ideas associated with his ethics, not as a confirmed quotation from a particular work. In the *Nicomachean Ethics*, Aristotle describes human flourishing as something shaped by virtuous activity and habits cultivated over time.
The quote’s appeal lies in its reminder that happiness is not merely a lucky accident: everyday choices can help shape the kind of life we lead. Choosing patience, generosity, or courage, for example, may contribute to a deeper sense of well-being than a passing pleasure can. But the saying simplifies Aristotle’s view. He did not argue that happiness is entirely under our control; he also recognized that circumstances and external goods can affect a person’s prospects. Read with that nuance, the line offers both encouragement and a useful challenge: we cannot choose every condition of our lives, but we can often choose how we act within them.