Terrible advice and mindset,
It's good to learn for pleasure or curiosity.
This way, you can enjoy reading SICP, effective java, code complete... Or you can use a new system, Linux, Mac, Android, iOS.
Doing it you model your thoughts and mind, learn new ways, practices, or patterns, you don’t have to use then only for having learned, but even so, they will be useful to you.
Terrible advice and mindset, It's good to learn for pleasure or curiosity. This way, you can enjoy reading SICP, effective java, code complete... Or you can use a new system, Linux, Mac, Android, iOS. Doing it you model your thoughts and mind, learn new ways, practices, or patterns, you don’t have to use then only for having learned, but even so, they will be useful to you.