11:4By faith Abel offered unto God a more excellent sacrifice than Cain, by which he obtained witness that he was righteous, God testifying of his gifts: and by it he being dead yet speaketh.

11:17By faith Abraham, when he was tried, offered up Isaac: and he that had received the promises offered up his only begotten son,

11:28Through faith he kept the passover, and the sprinkling of blood, lest he that destroyed the firstborn should touch them.