At the end of the day, you can't regret it if you were trying. At the end of the day I'm walking with a heart of a lion.
The power of administrative bodies to make finding of fact which may be treated as conclusive, if there is evidence both ways, is a power of enormous consequence. An unscrupulous administrator might be tempted to say "Let me find the facts for the people of my country, and I care little who lays down the general principles.