money isn’t the most powerful motivator in our lives – it’s the opportunity to learn, grow in responsibilities, contribute to others, and be recognized for achievements. He also points out that if management is practiced well it helps others learn and grow, take responsibility and be recognized.
Finding a purpose is essential to avoiding a hollow life. Personal decisions then can be seen as involving the allocation of time, energy, and talent – just like in a business. His assessment of why some lives end up hollow and unhappy – they had a short-term perspective.
Christensen suggests thinking of marginal costs, always alluring low for ‘just this once’ situation. The problem is that after ‘that once,’ repeating the mistake becomes much easier in the future. It’s easier to hold on to one’s principles 100% of the time than 98% of the time.
Finally, he also adds that if one’s attitude is that only smarter people have something to teach you (eg. such as parents, professors), one’s learning opportunities will be very limited. Humility, however, allows learning from everybody and unlimited learning.