The king was in overall charge and Euler was not now on good terms with Frederick despite the early good favour. Euler, who had argued with d'Alembert on scientific matters, was disturbed when Frederick offered d'Alembert the presidency of the Academy in 1763. However d'Alembert refused to move to Berlin but Frederick's continued interference with the running of the Academy made Euler decide that the time had come to leave.
Ang hari ay sa kabuuang bayad at Euler ay hindi na ngayon sa magandang terms sa Frederick sa kabila ng maagang magandang magpaunlak. Euler, na argued sa d'Alembert sa mga bagay na pang-agham, ay nabalisa kapag Frederick inaalok d'Alembert ang pagkapangulo ng Academy in 1763. Subalit d'Alembert tumanggi sa lumipat sa Berlin ngunit Frederick ang patuloy na panghihimasok sa pagtakbo ng Academy ginawa Euler-desisyon na ang oras na darating na umalis.