The key lesson is that early planning, innovative thinking, and taking consistent, small steps towards a bigger goal can lead to significant achievements in both personal and environmental domains.

Understanding the natural capacities and limits of humans is crucial in effectively planning anything from empires to daily work.

Education should focus on teaching practical and applicable skills that prepare students for their future, rather than on rote memorization of information that is not directly useful in their lives.

Being mindful about energy consumption and seeking sustainable alternatives can have profound impacts on both the environment and the economy.