Murphy's Laws of Combat
1. Anything that can go wrong, will go wrong.
2. You are not a superman.
3. Don't look conspicuous - it draws fire.
4. When in doubt, empty your magazine.
5. If it sounds stupid but works, it is not stupid.
6. Never share a foxhole with anyone braver than you are.
7. Never forget that your weapon was built by the lowest bidder.
8. If your attack is going really well, it's an ambush.
9. No plan survives the first contact intact.
10. All five second grenade fuses will burn down in three seconds.
11. Try to look unimportant, because the bad guys may be low on ammo.
12. If you are forward of your position, the artillery will fall short.
13. The enemy diversion you are ignoring is the main attack.
14. The important things are always simple.
15. The Simple things are always important.

Ability is nothing without opportunity