A mind ill with negative attitudes is more dangerous than a sick body, for its sickness is always co...

A mind ill with negative attitudes is more dangerous than a sick body, for its sickness is always contagious.

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	Link: http://www.naphill.org/tftd/thought_for_the_day_thursday_february_23_2017/ A mind ill with negative attitudes is more dangerous than a sick body, for its sickness is always contagious.	Image evidence

American author

October 26th, 1883 - November 8th, 1970