The backbone of surprise is fusing speed with secrecy. - Carl von Clausewitz

Es ist also nach unserer Einteilung die Taktik die Lehre vom Gebrauch der Streitkräfte im Gefecht, die Strategie die Lehre vom Gebrauch der Gefechte zum Zweck des Krieges.

War is merely the continuation of politics by other means

All thinking is indeed Art. Where the logician draws the line, where the premises stop which are the result of cognition — where judgment begins, there Art begins. But more than this even the perception of the mind is judgment again, and consequently Art; and at last, even the perception by the senses as well.