The Enlightenment In the 17th century, a new way of knowing began to dominate Western Europe: reason.
Before that, mysticism and religion were ways of knowing and understanding life.
The Enlightenment emphasized intellectual freedom.
Only what could be known by reason was acceptable; everything else was superstition.
People became skeptical of traditional political, social, and religious beliefs.
Less emphasis was placed on religion, and Jews in some parts of Europe became more accepted.