The navy seemed like an attractive career to Maupertuis but his mother felt it was too dangerous so he was forbidden from pursuing this choice.
Ng hukbong-dagat seemed tulad ng isang kaakit-akit karera sa Maupertuis ngunit ang kanyang ina nadama ito ay masyadong delikado kaya siya ay ipinagbabawal pursuing na ito mula sa mga pagpipilian.