Ecclesiastes 9:1 For I considered all this in my heart, so that I could declare it all: that the righteous and the wise and their works are in the hand of God. People know neither love nor hatred by anything they see before them.
Chapter nine continues the thoughts the preacher is forming regarding the work of God and the labor of man from the previous chapter. In the concluding verses, he asserts that he applied his heart to understand, only to ascertain that God’s work is beyond man’s comprehension. Though even the greatest men search to understand, it will always remain beyond him. This culminates with the declaration of verse 1, stating that the preacher considered all of this in his heart.