Cross reference
Ecclesiastes 3:15
15 What is that which hath been? already it is, and that which `is' to be hath already been, and God requireth that which is pursued.
Ecclesiastes 1:9-10
9 What `is' that which hath been? it `is' that which is, and what `is' that which hath been done? it `is' that which is done, and there is not an entirely new thing under the sun.
10 There is a thing of which `one' saith: `See this, it `is' new!' already it hath been in the ages that were before us!
Ecclesiastes 6:10
10 What `is' that which hath been? already is its name called, and it is known that it `is' man, and he is not able to contend with him who is stronger than he.