Optimism is the one quality more associated with success and happiness than any other.

Optimism is the one quality more associated with success and happiness than any other.

Brian Tracy

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 05	Link: https://www.briantracy.com/blog/personal-success/inspirational-quotes-for-the-new-year/	Image evidence

American motivational speaker and writer

January 5th, 1944