It's very trendy right now to do “more with less”. That's the efficiency mindset, and one that I really embrace.
But let's not forget the tried and true method of doing “more with more”. That's the growth mentality.
Just because David didn't need brawn to fell Goliath doesn't mean he wouldn't prefer both wits and brawn. Sometimes spending too much time doing more with less can result in an unhealthy mindset of scarcity that is ultimately limiting.