Ponder and deliberate 374 before you make a move. 375

He will conquer who has learnt the artifice of deviation. 376 Such is the art of manoeuvring. 377

The Book of Army Management says: 378 On the field of battle, 379 the spoken word does not carry far enough: hence the institution of gongs and drums. 380 Nor can ordinary objects be seen clearly enough: hence the institution of banners and flags.