Holier Than Thou - Biblical Contradictions

Did both of the thieves who were crucified with Jesus hurl insults or just one?

Matthew 27:44, "In the same way the robbers who were crucified with him also heaped insults on him."

Mark 15:32, "...Those crucified with him also heaped insults on him."

Luke 23:39-43, "One of the criminals who hung there hurled insults at him: 'Aren't you the Christ? Save yourself and us!' But the other criminal rebuked him. 'Don't you fear God,' he said, 'since you are under the same sentence? We are punished justly, for we are getting what our deeds deserve. But this man has done nothing wrong.' Then he said, 'Jesus, remember me when you come into your kingdom.' Jesus answered him, 'I tell you the truth, today you will be with me in paradise.' "

According to Matthew and Mark, the two thieves crucified with Christ both hurled insults at Jesus, however, according to Luke, only one thief insulted Christ while the other rebuked him and asked Jesus for mercy.

"Sorrow is better than laughter: for by the sadness of the countenance the heart is made better. The heart of the wise is in the house of mourning; but the heart of fools is in the house of mirth." (Ecclesiastes 7:3-4, KJV)

"Then I commended mirth, because a man hath no better thing under the sun, than to eat, and to drink, and to be merry: for that shall abide with him of his labour the days of his life, which God giveth him under the sun." (Ecclesiastes 8:15, KJV)