¹³ And I ^(A)set my ^[a]mind to seek and ^(B)explore by wisdom about everything that has been done under heaven. It is a ^[b](C)sorry task with which God has given the sons of mankind to be troubled.

²⁵ I ^[a](A)directed my ^[b]mind to know and to investigate, and to seek wisdom and an explanation, and to know the evil of foolishness and the foolishness of insanity.