The great mobility of the King forms one of the chief characteristics of all endgame strategy. In the middlegame the King is a mere 'super', in the endgame on the other hand - on of the 'principals'. We must therefore develop him, bring him nearer to the fighting line.
Aron NimzowitschDo not always be thinking of attack! Moves that safeguard your position are often far more prudent.
Aron NimzowitschStrategically important points should be overprotected. If the pieces are so engaged, they get their regard in the fact that they will then find themselves well posted in every respect.
Aron Nimzowitsch