The Seventy Maxims of Maximally Effective Mercenaries

1. Pillage, then burn. (7 February 2002)[20]
2. A Sergeant in motion outranks a Lieutenant who doesn't know what's going on. (31 July 2009)[21]
3. An ordnance technician at a dead run outranks everybody. (1 November 2009)[22]
4. Close air support covereth a multitude of sins. (14 April 2008)[23]
5. Close air support and friendly fire should be easier to tell apart. (21 April 2010)[24]
6. If violence wasn’t your last resort, you failed to resort to enough of it. (13 March 2005)[25]
8. Mockery and derision have their place. Usually, it's on the far side of the airlock. (21 November 2002)[26]
9. Never turn your back on an enemy. (8 March 2003)[27]
10. Sometimes the only way out is through. . . through the hull. (17 January 2009)[28]
11. Everything is air-droppable at least once. (15 April 2008)[29]
12. A soft answer turneth away wrath. Once wrath is looking the other way, shoot it in the head. (21 November 2002)[26]
13. Do unto others. (8 March 2003)[27]
14. "Mad Science" means never stopping to ask "what's the worst thing that could happen?" (Resident Mad Scientist, back cover)[30]
15. Only you can prevent friendly fire. (18 November 2010)[31]
16. Your name is in the mouth of others: be sure it has teeth. (21 November 2002)[26]
21. Give a man a fish, feed him for a day. Take his fish away and tell him he's lucky just to be alive, and he'll figure out how to catch another one for you to take tomorrow. (4 April 2004)[15]
27. Don't be afraid to be the first to resort to violence. (8 March 2003)[27]
29. The enemy of my enemy is my enemy's enemy. No more. No less. (8 March 2003)[27]
30. A little trust goes a long way. The less you use, the further you'll go. (8 March 2003)[27]
31. Only cheaters prosper. (11 May 2003)[32]
34. If you’re leaving scorch-marks, you need a bigger gun. (29 February 2004)[12]
35. That which does not kill you has made a tactical error. (T-shirt sold by Tayler)
36. When the going gets tough, the tough call for close air support. (2 October 2003)[33]
37. There is no 'overkill.' There is only 'open fire' and 'I need to reload.' (23 February 2004)[34]
Alternate version: There is no 'overkill.' There is only 'open fire' and 'time to reload.' (6 March 2004)(Poster sold by Tayler)
38. Just because it's easy for you doesn't mean it can't be hard on your clients. (26 March 2004)[35][36

from a amazingly funny and awesome web comic called Schlock Mercenary's
http://www.schlockmercenary.com/