At the FiringSquad they have created a nice Counter-Strike Beginners Guide. I've read it and it's pretty good, here's a cut 'n paste from it
Read it here. <- thereOnce you accept the fact that weapons in CS exhibit a random nature, you'll be ready to learn how to control them and you'll also be able to get a better handle on your emotions. If you're outgunned in an even one on one fight, it's likely that your opponent was able to control his weapon better that you were able to control yours.