וּשְׁמַרְתֶּ֣ם לַעֲשׂ֔וֹת כַּאֲשֶׁ֥ר צִוָּ֛ה יְהוָ֥ה אֱלֹהֵיכֶ֖ם אֶתְכֶ֑ם לֹ֥א תָסֻ֖רוּ יָמִ֥ין וּשְׂמֹֽאל׃
所以，你們要謹守遵行永恆者你們的上帝所吩咐你們的，不可偏向右邊或左邊。
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.