"The proof of the pudding is in the eating"

"The proof of the pudding is in the eating" is an idiomatic expression suggesting that the true quality or value of something can only be judged by experiencing it firsthand. This saying implies that theories or claims must be put to the test in practical applications to determine their validity or effectiveness. It emphasizes the importance of tangible results and outcomes as the ultimate measure of success or satisfaction. By actually experiencing the product or outcome, individuals can assess its merits and shortcomings more accurately. Ultimately, this expression encourages a hands-on approach to evaluating ideas, solutions, or experiences, highlighting the significance of practical experience over theoretical assumptions.