Cross reference
Ecclesiastes 7:27
27 Look! this I have seen, said the Preacher, taking one thing after another to get the true account,
Ecclesiastes 1:1-2
1 The words of the Preacher, the son of David, king in Jerusalem.
2 All is to no purpose, said the Preacher, all the ways of man are to no purpose.
Ecclesiastes 12:8-10
8 All things are to no purpose, says the Preacher, all is to no purpose.
9 And because the Preacher was wise he still gave the people knowledge; searching out, testing, and putting in order a great number of wise sayings.
10 The Preacher made search for words which were pleasing, but his writing was in words upright and true.