Apr 20: Exodus 19:6-9

When the people understood the blessings that the Lord wanted to pour out upon them, they were anxious to do anything that was asked of them. Of course they would fall short, as we all do. But God was requiring their efforts and repentance, not their perfection. 

Benson (As quoted in a talk by Elder Staheli) https://www.churchofjesuschrist.org/study/general-conference/1998/04/obedience-lifes-great-challenge?lang=eng