The scientist believes in proof without certainty, the bigot in certainty without proof.
The majority of people believe in incredible things which are absolutely false. The majority of people daily act in a manner prejudicial to their general well-being.
Scientists do not believe in fundamental and absolute certainties. For the scientist, certainty is never an end, but a search; not the ordering of certainty, but its exploration. For the scientist, certainty represents the highest degree of probability.
The only measure of what you believe is what you do.
The only measure of what you believe is what you do. If you want to know what people believe, don't read what they write, don't ask what they believe, just observe what they do.