The Science of Intelligent Achievement

32How Decision Fatigue Reduces Willpower

Human will‐power alone is not enough. Will‐power is excellent and we should always be using it; but it is not enough. A desire to live a good life is not enough. Obviously we should all have that desire, but it will not guarantee success.

—David Lloyd‐Jones

Remember when you were a kid and each day seemed to last forever? But then you got older. And the days grew shorter.

Now, months pass by like days and days fly by like minutes.

This happens because, as we grow older, we fill up our days with more and more decisions and planned activities. When you're a kid, you don't have any plans. You don't make difficult decisions. You wake up; someone feeds you, takes you places, takes care of you, and tells ...