[和合本] 我又专心察明智慧、狂妄和愚昧，乃知这也是捕风。
[新标点] 我又专心察明智慧、狂妄，和愚昧，乃知这也是捕风。
[和合修] 我专心想要明白智慧，想要明白狂妄与愚昧，方知这也是捕风。
[新译本] 我又专心究察智慧和知识，狂妄和愚昧，才知道这也是捕风。
[当代修] 我又专心察明智慧和知识、狂妄和愚昧，却发现这也是捕风。
[现代修] 我决心辨明智慧和愚昧，知识和狂妄。但是，我发现这也是捕风。
[吕振中] 我专心一志要明白智慧，要明白狂妄、和愚昧，就知道这也是捕风。
[思高本] 我再专心研究智慧和学问，愚昧和狂妄，我才发觉：连这项工作也是追风。
[文理本] 我复专心以明智慧、而知狂妄愚蒙、乃觉亦属捕风、
[GNT] I was determined to learn the difference between knowledge and foolishness, wisdom and madness. But I found out that I might as well be chasing the wind.
[BBE] And I gave my heart to getting knowledge of wisdom, and of the ways of the foolish. And I saw that this again was desire for wind.
[KJV] And I gave my heart to know wisdom, and to know madness and folly: I perceived that this also is vexation of spirit.
[NKJV] And I set my heart to know wisdom and to know madness and folly. I perceived that this also is grasping for the wind.
[KJ21] And I gave my heart to know wisdom, and to know madness and folly. But I perceived that this also is vexation of spirit.
[NASB] And I applied my (Lit heart)mind to know wisdom and to know insanity and foolishness; I realized that this also is striving after wind.
[NRSV] And I applied my mind to know wisdom and to know madness and folly. I perceived that this also is but a chasing after wind.
[WEB] I applied my heart to know wisdom, and to know madness and folly. I perceived that this also was a chasing after wind.
[ESV] And I applied my heart to know wisdom and to know madness and folly. I perceived that this also is but a striving after wind.
[NIV] Then I applied myself to the understanding of wisdom, and also of madness and folly, but I learned that this, too, is a chasing after the wind.
[NIrV] Then I used my mind to understand what it really means to be wise. And I wanted to know what foolish pleasure is all about. But I found out that that's also like chasing the wind.
[HCSB] I applied my mind to know wisdom and knowledge, madness and folly; I learned that this too is a pursuit of the wind.
[CSB] I applied my mind to know wisdom and knowledge, madness and folly; I learned that this too is a pursuit of the wind.
[AMP] And I gave my mind to know [practical] wisdom and to discern [the character of] madness and folly [in which men seem to find satisfaction]; I perceived that this also is a searching after wind and a feeding on it. [I Thess. 5:21.]
[NLT] So I set out to learn everything from wisdom to madness and folly. But I learned firsthand that pursuing all this is like chasing the wind.
[YLT] And I give my heart to know wisdom, and to know madness and folly: I have known that even this [is] vexation of spirit;