Matthew 23:35
that upon you may come all the righteous blood poured out upon the earth, from the blood of Abel, the righteous, unto the blood of Zachariah, son of Barachiah, whom ye slew between the temple and the altar.
Hebrews 11:4
By faith Abel offered to God a more excellent sacrifice than Cain, through which he received witness that he was righteous, God testifying of his gifts; and through it he, being dead, is still speaking.
Revelation 18:24
And in her was found the blood of prophets, and of saints, and of all who have been slain on the earth.
Hebrews 12:24
and to Jesus, the Mediator of a new covenant, and to the blood of sprinkling, speaking better things than Abel.
1 John 3:11-12
because this is the message which ye heard from the beginning, that we should love one another;