"Our greatest pretenses are built up not to hide the evil and the ugly in us, but our emptiness. The hardest thing to hide is something that is not there."
"Early in life I, I had to choose between honest arrogance and hypocritical humility. I chose honest arrogance and have seen no occasions to change."
Frank Lloyd Wright 20th century American architect
When Mr. Wright (see the irony in his name given his statement?) said that, he had long since proved he could do as well if not better than he said he could do.
But what about the rest of us?
Is the case for your managerial ability based on what you've done, or what you say you will do?