The Secret to Learning Anything: Albert Einstein’s Advice to His Son

In 1915, aged thirty-six, Einstein was living separately from family.

On November 4 of that year, having just completed the two-page masterpiece on the theory of general relativity, Einstein sent 11-year-old Hans Albert a letter with a simple insight on learning:

“That is the way to learn the most, that when you are doing something with such enjoyment that you don’t notice that the time passes.”

Read more here.