Most people are very practical, they tackle one problem at a time. Otherwise you will probably fail because you can't achieve a goal nobody has achieved. There

Most people are very practical, they tackle one problem at a time. Otherwise you will probably fail because you can't achieve a goal nobody has achieved. There are few geniuses that can embrace large and mostly disconnected topics. That said in my time (long ago) this was a reference reading: https://en.wikipedia.org/wiki/The_Art_of_Computer_Programming https://en.wikipedia.org/wiki/The_Art_of_Computer_Programmin... (and I think the title is important, CS in the professional life is an art or a craft, not a science)