Holier Than Thou - Biblical Contradictions

Which is better, to be happy or sad?

Ecclesiastes 7:2-4, "It is better to go to the house of mourning, than to go to the house of feasting: for that is the end of all men; and the living will lay it to his heart. 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." (KJV)

Ecclesiastes 8:15, "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." (KJV)

According to Ecclesiastes chapter 7, mourning and sorrow are better than feasting and laughter, however, according to the chapter following it, there is no better thing under the sun than eating, drinking, and merry making.

"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)