4 By faith Abel brought God a better offering than Cain did. By faith he was commended as righteous, when God spoke well of his offerings. And by faith Abel still speaks, even though he is dead.

Read Hebrews 11:4 Using Other Translations

By 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.
By faith Abel offered to God a more acceptable sacrifice than Cain, through which he was commended as righteous, God commending him by accepting his gifts. And through his faith, though he died, he still speaks.
It was by faith that Abel brought a more acceptable offering to God than Cain did. Abel’s offering gave evidence that he was a righteous man, and God showed his approval of his gifts. Although Abel is long dead, he still speaks to us by his example of faith.