ESV: I have seen everything that is done under the sun, and behold, all is vanity and a striving after wind.
NIV: I have seen all the things that are done under the sun; all of them are meaningless, a chasing after the wind.
NASB: I have seen all the works which have been done under the sun, and behold, all is futility and striving after wind.
CSB: I have seen all the things that are done under the sun and have found everything to be futile, a pursuit of the wind.
NLT: I observed everything going on under the sun, and really, it is all meaningless — like chasing the wind.
KJV: I have seen all the works that are done under the sun; and, behold, all is vanity and vexation of spirit.
NKJV: I have seen all the works that are done under the sun; and indeed, all is vanity and grasping for the wind.