In 1915, Albert Einstein sent his 11-year-old son Hans Albert the following letter, found in Posterity: Letters of Great Americans to Their Children. It speaks to the rhythms of creative absorption as the fuel for the internal engine of learning. Thus, it describes what we do in our work:
My dear Albert,
I am very pleased that you find joy with the piano. This and carpentry are in my opinion for your age the best pursuits, better even than school. Because those are things which fit a young person such as you very well. Mainly play the things on the piano which please you, even if the teacher does not assign those. 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. I am sometimes so wrapped up in my work that I forget about the noon meal….