וּשְׁמַרְתֶּ֣ם לַעֲשׂ֔וֹת כַּאֲשֶׁ֥ר צִוָּ֛ה יְהוָ֥ה אֱלֹהֵיכֶ֖ם אֶתְכֶ֑ם לֹ֥א תָסֻ֖רוּ יָמִ֥ין וּשְׂמֹֽאל׃
Guardai-os para cumprir conforme o Eterno, vosso Elohim, vos ordenou; não vos desviareis nem para a direita nem para a esquerda.
On the Birth of Abel and the Sacrifices Offered by him and by his Brother Cain
Also in the lawgiver’s words. Philo could find plenty of examples of “heart” e.g. Deut. 5:29. For “brain” or “head” he may have relied on Gen. 3:15 LXX.