Each and every master, regardless of the era or the place, heard the call and attained harmony with heaven and earth. There are many paths leading to the top of Mount Fuji, but there is only one summit - love.
"You Can Save the Earth: 7 Reasons Why and 7 Simple Ways, a Philosophy for the Future" by Hatherleigh, Sean K. Smith, and Andrew Flach, (p. 92), 2008.