assion: If you do not enjoy this line of work, get out of it. Firstly, you must love what you do in order to love to do it well.
ntegrity in advertising means being honest about the work and true to ethics and the conviction to always do what's right no matter what's at stake. It's best not to commit to do a project than taking it without the right amount of dedication to it.
isdom: It's okay to make mistakes, that's how we all learn fast. Human kind is a continuum of making mistakes. Plus it keeps everyone humble which isn't entirely a bad thing.