Translation of Deutsch around Agricola below by Ursula the Great of BC

Johannes Agricola Doctor Eisleben Called the Elector's preacher In Coelin on the Spree in the THUM (Bistum=diocese or Fuerstentum =principality ? Seliger the note he is holding says: The students in Frankfurt on the Oder have written against me. (can't read the word) need (can't read the word ) necessity the work. So I don't know a saint with that name. Many proverbs (sayings) I discovered. I explained them very nicely. So that the bad should be avoided. But I helped to make (schmieden-to forge) the interim. But in the spirit on the other hand so strong. I preached the best in the Marck (not sure what THET means)