We think that there are mysteries in the sky and under the water and in the plants which grow. But the Council of Scholars has said that there are no mysteries, and the Council of Scholars knows all things. And we learned much from our Teachers. We learned that the earth is flat and that the sun revolves around it, which causes the day and night. We learned the names of all the winds which blow over the seas and push the sails of our great ships. We learned how to bleed men to cure them of all ailments.