North Americans bullshit the most. Develop your mental device to detect deception, dishonesty, corruption, fraud, insincerity, hypocrisy and falsity.

Compared to deliberate deception, the cost of being exposed after bullshit is lower. The bullshit detector is a hypothetical psychological anti-deception mechanism. The key to countering bullshit lies in recognizing the asymmetry of risk; if the other party has no stakes but advocates for something, they profit when successful, but only you suffer losses when it fails, then they are bullshitting you.

Managerial leverages can maximize the output of an organization. Those leverages are information gathering, information-giving, decision-making, nudging and being a role model.

The introduction of managerial leverage is aimed at high output. Leverage should be applied in management activities such as gathering information, providing information, decision-making, nudging, and leading by example. In summary, improve time management skills, reduce interruptions; focus on activities that create positive leverage to increase leverage ratios.

Some job and career choices are fundamentally incompatible with being meaningfully engaged on a day-to-day basis with a young family. We should be careful with time frame and approach balance in a balanced way.

Work often fundamentally conflicts with family life. If you don't set limits and design your life, companies and governments will drain you. Balance should occasionally be within your reach. Life is diverse; seizing the right moment can yield significant returns from small investments.

There are four levels of energy: zombie, robot, human and rock star. Zombies had better not work or do little chore work. Robots do preset work. Humans do exploratory work. Rock stars can do anything and the best job for them is creative jobs.

Energy levels can be divided into four categories: Zombie, Robot, Mortal, and Transcendent. What can you do in each of these states? Zombie: Don't work or do mindless tasks; Robot: Do preset tasks; Mortal: Engage in exploratory work; Transcendent: Innovate.

How to break free from the trap of being busy and poor: drive yourself to do important things; conserve cognitive bandwidth; start acting when resources and bandwidth are abundant, applying cognitive bandwidth to what truly matters; transform fragmented but necessary reminders into one-time actions; maintain slack to handle unforeseen events; plan tasks reasonably and proceed in stages.

Depth: The things that can be produced in a unit of time; Breadth: The expansion or innovation of the market's geographical scope across regions and countries, creating new industries such as consumer goods, industrial varieties, and spatial expansion; Length: Time dimension - financial securities.