'Testifying' in the Bible

and saith unto them, 'Set your heart to all the words which I am testifying against you to-day, that ye command your sons to observe to do all the words of this law,

A maul, and a sword, and a sharp arrow, Is the man testifying against his neighbour a false testimony.

For I certainly testified against your fathers, In the day of My bringing them up out of the land of Egypt -- till this day, Rising early and testifying, saying, Hearken to My voice,