Whakaotihia te rerenga e whai ake nei: I te ako a Castro Sarmento mo te kinine i Rānana, i hangaia e ia he rongoā e mohiotia ana ko Água de Inglaterra, i rongonui i Potukara kei reira tonu te mate pukupuku i te taha tonga o te whenua. I te tau 1731, i whakaahuatia e ia he mahere mo te kari kari i Coimbra. He maha nga kairangahau i tuhia e Castro Sarmento, tae atu ki etahi atu ki a Prof. João Mendes Sachetti Barbosa o Lisbon, nana nei i whakaatu ki a ia te tino kino
te ruu i whakangaromia ai te whakapaipai o Portugal i te tau 1755, me te Jesuit B. Soares, nana nei i korero ki a ia ana kitenga aorangi i mahia i te koroni Potukara o Brazil. He kaitautoko kaha ia mo te Newtonianism, a ka whakapau kaha ki te whakauru atu ki te kaupapa karakia Hurai. I whakaputaina e ia "Teorica verdadeira das marés, conforme à philosophia do incomparable cavalhero Isaac Newton" (Treatise on the true theory of tides, according to the philosophy of the incomparable gentleman Isaac Newton), te pukapuka tuatahi i te reo Potukara ki te tautoko i nga whakaaro o Newton (London, 1737).