Hebrews 2:3 – 4
New International Version (NIV1984)
3 how shall we escape if we ignore such a great salvation? This salvation, which was first announced by the Lord, was confirmed to us by those who heard him. 4 God also testified to it by signs, wonders and various miracles, and gifts of the Holy Spirit distributed according to his will.see.
From BibleGateway.com: http://www.biblegateway.com/passage/?search=Hebrews 2:3 – 4&version=NIV1984