the author says a manager should spend up to 70–80% of their time talking to their subordinates. If they joined this company recently, it should be up to 90%. And not just during formal meetings; chatting over coffee or during lunch can be equally valuable.
time (the only irreplaceable economic resource)
The word “motivation” is sometimes replaced by the word “stimulation”. It comes from “stimulus”, a Latin word which was used to denote a sharp wooden stick, which bull and mule riders used to motivate a stubborn work animal.