Sgt. Pepper
All you need is love.
I did not say that I believe in an afterlife because I have suffered in this life. I am not the only person who has suffered in this life.
I could never make sense of all the suffering that everyone endures in this life if the suffering served no purpose.
Everyone suffers in this life to varying degrees, so it would not be just for there to be no afterlife where there would be no more suffering.
I believe in an afterlife because of what I've witnessed and experienced. To be honest, it seems unreasonable of me not to believe in an afterlife. And based on what I've witnessed and experienced during my lifetime, I know that a person's suffering doesn't always end when their life does.