1 Person is all the difference?

Yesterday 1 Person affected hundreds of people lives. This 1 person affected my life. You always say, I am just one person what good can I do to a cause that is unachievable. 1 person made a 3/4 of a mile drive a half and hour drive. 1 person caused a crash that caused hundreds of people to be late to something. 1 person caused hundreds of people to think nasty thoughts about that one person, even if we don't know them. One person Saved us all from the death and punishment we deserve. One person can do a lot!