By [having] faith, Abel offered to God a better sacrifice than Cain did. [And] because of his faith he was commended by God for being righteous, when God expressed approval of his offerings. By means of his faith, Abel still speaks [to us], even though he is dead.

and to Jesus, the Mediator of a New Agreement [between God and mankind], and to the sprinkled blood [of Jesus], which says better things [to us] than [the blood of] Abel did. [Note: The contrast seems to be that "Abel's blood called for vengeance and death (See Gen. 4:10) whereas the blood of Christ provides mercy and life"].

From the blood of Abel unto the blood of Zacharias, which perished between the altar and the temple: verily I say unto you, It shall be required of this generation.

So that on you may come all the blood of the upright on the earth, from the blood of upright Abel to the blood of Zachariah, son of Barachiah, whom you put to death between the Temple and the altar.

not [hate each other] the way Cain did, who belonged to the evil one [i.e., Satan], when he murdered his brother [Abel]. And why did he murder him? It was because his [own] actions were evil and his brother's were righteous [See Heb. 11:4].

that the blood of all the prophets which has been shed from the foundation of the world may be required of this generation, from the blood of Abel to the blood of Zachariah,