If you’re a merchant, and you become a diplomat, you wont know what to talk with other diplomat. It’s not only because you don't have the knowledge, but especially because you don't have the instinct of a diplomat.
You have the instinct of a merchant, making profit — not a diplomat. And you don’t know what to do as diplomat, because you’re a merchant.
Knowing what to do, because things are the recognized stuff. Even if things are as perplexed as it seem for everyone, but if all things are recognized, we would know what to do.
Cognitive matters.
Even if it does not guarantee success, because failure is part of life. But knowing what to do, is better than doing something without the knowledge of what we’re actually doing.