The classic Voltage as Water in a pipe, or check valve comparison are destructive and misleading analogies that do not demonstrate the behavior except in isolation, and that narrow scope of isolation isn't provided leading towards purposeful struggle.

The ideas and practices of the gnostics in general are just stupid.

If you can't explain how a PN junction, or its composites actually function simply, you don't understand what you are talking about. As simply but not more simply than necessary, without using math.