Ellery A. Kane said this quote

My mother once told me that holding on to the past is like walking around with a pebble in your shoe. You can still keep walking, keep moving forward, but that pebble is always there nagging at you, begging for your attention. After a while, that pebble is all you can feel. Sometimes, you just have to stop walking for a minute and get rid of it once and for all.

~ Ellery A. Kane