<?php
$string = "AS A SINGLE FOOTSTEP WILL NOT MAKE A PATH ON THE EARTH, SO A SINGLE THOUGHT WILL NOT MAKE A PATHWAY IN THE MIND. TO MAKE A DEEP PHYSICAL PATH, WE WALK AGAIN AND AGAIN. TO MAKE A DEEP MENTAL PATH, WE MUST THINK OVER AND OVER, THE KIND OF THOUGHTS WE WISH TO DOMINATE OUR LIVES.";
echo strtolower($string);
as a single footstep will not make a path on the earth, so a single thought will not make a pathway in the mind. to make a deep physical path, we walk again and again. to make a deep mental path, we must think over and over, the kind of thoughts we wish to dominate our lives.