[soogwoog]

What if you know the enemy, but not yourself?

[jessaustin]

You will spend $750B per year on a military that hasn't won a war in generations.

[frozencell]

Or just never won a high intensity war alone.

[hilbert42]

I'll answer that with an examiner's question:

Please provide a T-F truth table to show that the proposition is false.

Clue: you already have the answer and Sun Tzu has provided three-quarters of it

:-)