You should know your strength in order that you may call attention to it when selling your services.

You should know your strength in order that you may call attention to it when selling your services.

Napoleon Hill

Quote authenticity

Score:	Excellent This quote has an official author source You can cite this quote with confidence as true and correct Listed below is the factual evidence of an official source published by either the author, an author's representative or estate

2017 November 03	Origin: Facebook post Link: https://www.facebook.com/NapoleonHillFoundation/photos/a.10150592813732138.407183.152231392137/10152859864042138/?type=3&theater	Image evidence

American author

October 26th, 1883 - November 8th, 1970