A change in one's outlook or intention triggers a change in the self and radiates outward to effect society-wide revolutions.

Buddhism Day by Day

Wisdom for Modern Life by Daisaku Ikeda
Sunday, April 7, 2013:

 

The Buddhist teaching of the inseparability of evil and good means that everything can be made one or the other in an instant, according to what we harbor in our hearts. Everything begins with the self. A change in one's outlook or intention triggers a change in the self and radiates outward to effect society-wide revolutions. This idea is what we in the SGI refer to as "human revolution."