Easy come,easy go.

VOA: special.2009.06.07

A wife might urge her husband to "go easy on" their son, because the boy did not mean to wreck the car.

VOA: special.2009.06.07

Another "easy" expression is to "go easy on a person".

VOA: special.2009.06.07

"We had been training long and hard for the mission, and we knew the baby was coming so it was easy to go on and do my tasks,"

VOA: standard.2009.11.30