The strength of your resume depends on your confidence, but confidence here does not mean arrogance. Your resume must absolutely avoid words and phrases that may make the readers think that you are too sharp and even deceitful. Use the resume and resume to make the readers understand that you are sensitive, professional, politely and well qualified.
However, not everyone can know how to make his resume and resume become decisive to the employer. It is not about spending more time or providing more information in the resume that make that resume becomes well impressive to the employers.