Although he would have preferred to go to the University of Berlin, Weierstrass certainly did not want to return to the Collegium Hoseanum in Braunsberg so he accepted the offer from the Institute on 14 June 1856.
Kahit na siya ay may ginustong pumunta sa Unibersidad ng Berlin, Weierstrass tiyak na hindi gusto mong bumalik sa Collegium Hoseanum sa Braunsberg kaya niya tinanggap ang alok mula sa Institute sa 14 Hunyo 1856.