'Striving' in the Bible

And he went out the second day, and, behold, two men of the Hebrews were striving together: and he said to him that did the wrong, Wherefore smitest thou thy fellow?

And he called the name of the place Massah, and Meribah, because of the striving of the children of Israel, and because they tempted Jehovah, saying, Is Jehovah among us, or not?