!. Reason: Enlightened thinkers believed truth could be discovered through reason or logical thinking.
2. Nature: The philosophers believed that what was natural was also good and reasonable.
3. Happiness: The philosophers rejected the medieval notion that people should find joy in the hereafter and urged people to seek well-being on earth.
4. Progress: The philosophers stressed that society and humankind of could improve.
5. Liberty: The philosophers called for the liberties that the English people had won in their Glorious Revolution and Bill of Rights.
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