I, a life-long, wholly dedicated believer in God and one who thinks he has a reasonable basis for that belief, do not think that I have enough information to come to an absolute and accurate conclusion regarding the matter.At some point a thorough investigation having found nothing concludes that there is nothing to be found. In your quote you are in effect admitting that you have found nothing but hints and rumors of something valuable perhaps eternal life that keeps you chasing these hints and rumors in the hope that there will be a there there at least after you die.
I have no problem admitting I am not certain the hints and rumors of a life after death are all false. Since they all require different rituals and understandings of the mediator of that life after death, the only conclusion is that they are all false, and pursuing any one is chasing an invisible pink unicorn and destined to be a waste of time.
As a result I do not claim there is no God, I just live as if none of them are of any value. In addition I live my life as if there is no reasonable way to achieve an afterlife but to live this life as if it will be the only important criteria for any afterlife concierge. This has the immeasurable added value of insuring that if there is no afterlife, everything I do in this life is significant. Which puts responsibility for everything I do right where it belongs: on me. No savior, no one to do it over for me, no one to blame.