In Leonardo DaVinci’s diary you can find his to-do lists
[https://jrbenjamin.com/2018/01/05/da-vincis-to-do-lists/], the kinds of
broad-ranging investigations the famous polymath would use to occupy his time:
> Draw Milan.
Get the master of arithmetic to show you how to square a triangle
Ask Giannino
![What to do with your time](/content/images/size/w795/image/fetch/w_1200-c_limit-f_jpg-q_auto:good-fl_progressive:steep/https-3A-2F-2Fbucketeer-e05bbc84-baa3-437e-9518-adb32be77984.s3.amazonaws.com-2Fpublic-2Fimages-2Fe3a7415e-83e1-4ca5-8e64-06271c04ea34_1000x833.png)