there may be mysterious wins, but there are no mysterious losses
Proverb meaning that victory can sometimes come from luck or unexplained factors, but defeat always has a clear cause. Often used to emphasize that one should reflect on failures rather than attribute them to bad luck.
As the saying goes, 'there may be mysterious wins, but there are no mysterious losses,' so let's thoroughly analyze the cause of this defeat.
A traditional Japanese proverb of uncertain origin, often attributed to the world of martial arts or strategy, emphasizing the importance of learning from defeat.