Holier Than Thou - Biblical Contradictions

Did Noah take two of each clean animal or seven of each onto the ark?

Genesis 6:19-20, "You are to bring into the ark two of all living creatures, male and female, to keep them alive with you. Two of every kind of bird, of every kind of animal and of every kind of creature that moves along the ground will come to you to be kept alive."

Genesis 7:2-3, "Take with you seven of every kind of clean animal, a male and its mate, and two of every kind of unclean animal, a male and its mate, and also seven of every kind of bird, male and female, to keep their various kinds alive throughout the earth."

Genesis 7:8-9, "Pairs of clean and unclean animals, of birds and of all creatures that move along the ground, male and female, came to Noah and entered the ark, as God had commanded Noah."

According to the sixth and seventh chapters of Genesis, God ordered that two of every animal be taken onto the ark and seven of every clean animal be taken onto the ark, however, when it came time to board, only two of each of the clean and unclean animals entered the ark.

"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)