Investment in human interaction skills is critical to the success of an organization and people.

Investment in human interaction skills is critical to the success of an organization and people.

Dale Carnegie

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 09	Origin: Tweet Link: https://twitter.com/DaleCarnegie/status/806967098656161792	Image evidence

American writer and lecturer

November 24th, 1888 - November 1st, 1955