"Knowledge increases not by the matching of mind images with the real world -which is impossible-, that is, not by the direct perception of truth, but by a relentless bias toward the perception of error. This is as true of folk knowledge as it is of science" -Kenneth Boulding
Here are some pieces of information about stepping into base class libraries of .NET Framework while debugging:
Configuring Visual Studio to Debug .NET Framework Source Code by Shawn Burke
Debugging into the .NET Framework Source by James Kovacs
Software design skill includes a tendency or habit to know the details about the raw materials our software
La habilidad del diseño de software incluye una tendencia o hábito por conocer los detalles acerca de