41. One is that it is the age of neoclassicism; the other is that it is the Age of Reason . 42. He also repeatedly states that the eighteenth century, being the Age of Reason , was the pinnacle for rational argument. 43. "The Age of Reason , " by Thomas Paine : In " Common Sense, " he called for an American Revolution. 44. But religions also have to work within the guidelines of the law and the guidelines of the age of reason . 45. All this led to a cultural revival in the 18th century's second half : the Age of Reason and Reform. 46. This worship, as well as both the good and the bad it led to, derived from the Age of Reason . 47. The collection became an invaluable research tool during the flowering of 17th-century European philosophy, the " Age of Reason ". 48. Foner writes that " " The Age of Reason " became the most popular deist work ever written . . .. 49. In the Age of Reason philosophical tracts and speculations on history and human nature integrated literature with social and political developments. 50. His life, she thinks, " was as clear as that of a child who dies before the age of reason ."