The Challenge Enlightenment ideas of reason and thought HighExistence 30 challenges to Enlightenment Supporting Your Twenty Challenges to Enlightenment PPT Scientific Revolution & The Enlightenment Age PowerPoint PPT Enlightenment's Influence on Modernity: Legacy and Challenges. We encounter many difficulties when we deal with worldly affairs, and even more difficulties when we are learning the ways of the Buddha. Some difficulties lie in carrying out the Buddhist teachings one has learned, some lie in saying the proper things, and some difficulties, perhaps the biggest, pertain to keeping one's mind sincere and respectful. Those difficulties are included in what the Buddha pointed out as the "Twenty Difficulties on the Way to Attaining Buddahood".