Do the right things every day, in future this will provide great benefits. It is apparent over time the massive difference this makes, particularly comparing to those who do the wrong things! Really like this book that reinforces this point again and again.
Survive Like a Spy: Real CIA Operatives Reveal How They Stay Safe in a Dangerous World and How You Can Too by Jason Hanson
Starts off about how to recruit spies – if trying to recruiting someone who indicates he feels insecure about his career, they will likely tell