It's bad to misrepresent yourself to others.
Chuck is applying for a job when he notices that he is lacking a key technical certification that is required for the position.
Chuck wants to be hired for the job.
Chuck begins a class to obtain the needed certification and notes it on his application.
Chuck asserts that he possesses the required certification even though he actually does not.
Chuck is hired by the company and thrilled to have the job.
The company follows up and finds out that Chuck is lying, so they do not hire him.