Sun Tzu believed that the art of war was governed by five constant factors, which needed to be taken into account before going into battle. The first of these was the ‘moral law’.

The moral law involves ensuring everyone involved in the battle understands why they are heading into war in the first place and the purpose behind the fight. To quote the 20th-century author G.K. Chesterton,

“The true soldier fights not because he hates what is in front of him, but because he loves what is behind him.”

This resonates with what Sun Tzu said more than 2,000 years earlier, as he believed that if the people understood the morals behind the battle, they would act in ‘complete accord with their ruler’.

For as long as I can recall, ...

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