Let me assure you that my intent is not to offend or merely be provocative. I'm simply worried. - Sam Harris

Science has long been in the value business. Despite a widespread belief to the contrary, scientific validity is not the result of scientists abstaining from making value judgments; rather, scientific validity is the result of scientists making their best efforts to value principles of reasoning that link their beliefs to reality, through reliable chains of evidence and argument. This is how norms of rational thought are made effective... The answer to the question "What should I believe, and why should I believe it?" is generally a scientific one.

Is there a form of happiness beyond the mere repetition of pleasure and avoidance of pain? Is there a happiness that does not depend upon having one’s favourite foods available, or friends and loved ones within arm’s reach, or good books to read, or something to look forward to on the weekend? Is it possible to be happy before anything happens, before one’s desires are gratified, in spite of life’s difficulties, in the very midst of physical pain, old age, disease, and death?

We have names for people who have many beliefs for which there is no rational justification. When their beliefs are extremely common we call them ‘religious’; otherwise, they are likely to be called ‘mad’, ‘psychotic’ or ‘delusional’... Clearly there is sanity in numbers. And yet, it is merely an accident of history that it is considered normal in our society to believe that the Creator of the universe can hear your thoughts, while it is demonstrative of mental illness to believe that he is communicating with you by having the rain tap in Morse code on your bedroom window. And so, while religious people are not generally mad, their core beliefs absolutely are.