A reader, Kenneth,  asks:

Did Sun Tsu mentioned the strategy "what got us here may not get us there"?

This thinking is very much the foundation of Sun Tzu's system.

His system is one of advancing positions. In a very physical sense, the path that got us to our current position is not the path that takes us to our next position. Every advance changes our situation.

Just loved this video because we too often lose our perspective in seeing the real nature of human progress.