Even for physical science, the ultimate test of whether or not something is true lies in the individual's experience, not in some objectified, dogmatic set of rules. The sensory experiences which are predictable from natural scientific 'laws' permit agreement between individuals because those individuals share very similar physical structures, are persuaded by the same kinds of logical reasoning, and operate with a similar set of values.

Science is thus not the creation of some kind of mysterious contact with or insight into ultimate reality, but the upshot of our own very human, and even culturally local, interests, concerns, and values. I suspect, also, that we are ready to give particular weight and credence to the 'evidence of our senses' because it is not in our interests to deceive ourselves about its nature (although it is certainly possible to do so).

Tinkering, however 'scientifically', with our minds and bodies will never make the world a better place.

However much some of them might like to be and however much they are seen as such by many people, scientists and psychologists are not creators of our culture, discoverers of ultimate truths which then shape our view of the world, but rather interpreters and refiners of our most fundamental concepts and understandings (and myths).

Science is about our passionate conviction that we are placed within a universe that is not simply the result of our imaginings, and our longing and determination to understand it. Ultimately, science is about reality, truth and freedom.