וַתֹּ֣סֶף לָלֶ֔דֶת אֶת־אָחִ֖יו אֶת־הָ֑בֶל וַֽיְהִי־הֶ֙בֶל֙ רֹ֣עֵה צֹ֔אן וְקַ֕יִן הָיָ֖ה עֹבֵ֥ד אֲדָמָֽה׃
Y después parió á su hermano Abel. Y fué Abel pastor de ovejas, y Caín fué labrador de la tierra.
On the Birth of Abel and the Sacrifices Offered by him and by his Brother Cain
[1] And He added to this that she brought forth Abel his brother (Gen. 4:2). The addition of one thing implies the removal of some other, as in the case of arithmetical quantities or of our successive inward thoughts.
The Midrash of Philo
Why the sacred historian first describes the employment of the younger brother, Abel, saying: "He was a keeper of sheep; but Cain was a cultivator of the earth?" (Genesis 4:2).
On the Birth of Abel and the Sacrifices Offered by him and by his Brother Cain
The main theme of this treatise is the interpretation of Gen. 4:2–4.