Hebrews 2:3

2:3 how will we escape if we neglect so great a salvation-- which at the first having been spoken through the Lord, was confirmed to us by those who heard;
-World English Bible

Other Translation

2:3 How shall we escape, if we neglect so great salvation; which at the first began to be spoken by the Lord, and was confirmed unto us by them that heard [him];
-King James Version