To stab at the face means when you are in confrontation with the enemy that your spirit is intent on stabbing at his face. - Miyamoto Musashi

You win battles with the timing in the Void born of the timing of cunning by knowing the enemies’ timing, and thus using a timing which the enemy does not expect.

Where a Westener might say “The pen is mightier than the sword”, the Japanese would say “Bunbu Itchi”, or “Pen and sword in accord”.

You win in battles with the timing in the Void born of the timing of cunning by knowing the enemies' timing, and this using a timing which the enemy does not expect. All the five books are chiefly concerned with timing. You must train sufficiently to appreciate all this.