Science is simply the pursuit of knowledge, the study of what we know and the quest to know more. Therefore, all scientific study must by necessity be founded upon the belief that there are objective realities existing in the world and these realities can be discovered and proven.
Sayansi kwa ufupi ni ukimbizaji wa hekima, somo la chenye tunajua na ulizo la kutaka kujua zaidi. Kwa hivyo, somo lote la sayansi ni la lazima lipatikane katika mipaka ya imani kuwa hakuna ukano wa halisi katika ulimwengu anaodumu na halisi hizi zinaweza gunduliwa na kuthibitishwa.