The roots of modernism lie much deeper in history than the middle of the 19th century. For historians, the modern period actually begins in the sixteenth century, initiating what is called the Early Modern Period, which extends up to the 18th century. The intellectual underpinnings of modernism emerge during the Renaissance period when, through the study of the art, poetry, philosophy, and science of ancient Greece and Rome, humanists revived the notion that man, rather than God, is the measure of all things.In retrospect, we can recognize in Renaissance humanism an expression of that modernist confidence in the potential of humans to shape their own individual destinies and the future of the world.
In the 18th century, the Enlightenment saw the intellectual maturation of the humanist belief in "reason" as the primary guiding principle in the affairs of humans. Through reason, the mind achieved enlightenment, and for the enlightened mind, a whole new and exciting world opened up.
The Enlightenment was an intellectual movement for which the most immediate stimulus was the so-called Scientific Revolution of the 16th and 17th-centuries, when men like Galileo Galilei, through the application of reason to the study of the natural world had made spectacular scientific discoveries in which were revealed various scientific truths.
Enlightenment thinking believed that reason allowed access to truth, and knowledge of the truth would give birth to better humankind. The vision that began to take shape in