First published as "Lass froh uns sein" ("Let us be joyful"). Difficile lectu mihi Mars. Only use a poem or reading if the words actually speak to you and say something that illuminates how you feel and what is important to you. Here is how C. Spaethling, Robert (2000) Mozarts letters, Sputnik, which demonstrated that it was ahead of America in the space race, and that it had efficient rocket technology suitable for missiles carrying payloads the size of nuclear weapons.