Death before embarrassment
One of the best books written by a test pilot/astronaut is Carrying the Fire: An Astronaut’s Journeys by Mike Collins. He was a USAF test pilot, spacewalked on Gemini 10 and went to the Moon on the historic Apollo 11 mission. Here he talks about an interesting airmanship trap — Death by Embarrassment: It’s hard to admit a slip or mistake or error. But don’t let that kill you.