Matthew 23:35
that upon you may come all the righteous blood shed upon the earth, from the blood of righteous Abel, to the blood of Zacharias the son of Barachias, whom ye slew between the temple and the altar.
Hebrews 11:4
By faith Abel offered unto God a more excellent sacrifice than Cain, by which he obtained the testimony that he was righteous, God bearing witness to his gifts: and by it, though dead, he yet speaketh.
Revelation 18:24
And herein was found the blood of prophets and saints, and of all that were slain upon the earth.
Luke 11:51
who perished between the altar and the temple. Verily I tell you, it shall be required of this generation.
Hebrews 12:24
and to Jesus the mediator of the new covenant, and to the blood of sprinkling, that speaketh better things than Abel.
1 John 3:11-12
for this is the injunction which ye heard from the beginning, that we should love one another: not as Cain who was of the evil one, and slew his brother;