It isn’t the mountains ahead to climb that wear you out; it’s the pebble in your shoe.

It isn’t the mountains ahead to climb that wear you out; it’s the pebble in your shoe.

Muhammad Ali

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 08	Origin: Tweet Link: https://twitter.com/MuhammadAli/status/813429477493641218	Image evidence

African American boxer, philanthropist and activist

January 17th, 1942 - June 3rd, 2016