change and progress

In the online lecture, it was proposed that the uniting concepts of the Enlightenment were reason, nature, change and progress. Is this  proposition supported by the assigned primary sources? If not, why? If so, clearly explain how?

Must be 3 paragraphs

Sources of the Western Tradition Volume II. 10th edition, ed. Perry, ed.al.
Read pp 54-57, 71-72, 77-80