3 ideas
Profit is the payment society gives a company for serving it well. A company that earns no profit is therefore showing that it has failed to contribute, and failing to profit is a moral failure, not a neutral outcome. This makes it a duty to earn fair profit, while profit won by harming customers or partners is illegitimate.
Sunao is Matsushita's term for a humble mind, free of self-interest and preconception, that sees things as they actually are. A leader with this mind can hear unwelcome facts, learn from anyone, and adapt, while ego and fixed opinions distort judgment. He treated cultivating it as the foundation of sound decisions rather than as a personality trait.
A dam holds back water so that the flow stays steady through droughts and floods. A company should likewise keep reserves of capital, capacity, inventory, and talent beyond its immediate needs. It should aim at around 10 percent excess rather than running at full stretch, so that shocks can be absorbed without crisis.