|Understanding: the ability to give reasons for a distinction or to justify a selection of options. See also actions, meaning, knowledge.|
Books on Amazon
Understanding/Feynman: even if we know all the rules, we do not need to understand why a certain move is made in the game.
Nevertheless we assume that we understand the world when we understand the world.
Understanding/Feynman: For example, the Dirac equation cannot be understood in a direct way. It has a simple form, but its consequences do not.
Vom Wesen physikalischer Gesetze München 1993
Vorlesungen über Physik I München 2001