For a complete explanation of the dangers of managers with the wrong kind of ambition, I strongly recommend Dr. Seuss’s management masterpiece Yertle… - Ben Horowitz

Dr. Seuss’s management masterpiece Yertle the Turtle.

I was definitely zero-tolerance on managers who undermined decisions, because that led to cultural chaos.

In times of peace, one has time to care about things like appropriateness, long-term cultural consequences, and people’s feelings. In times of war, killing the enemy and getting the troops safely home is all that counts.

Remember that this is what separates the women from the girls. If you want to be great, this is the challenge. If you don’t want to be great, then you never should have started a company.