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

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