This misrepresntation of Upnishads is a common trend among islamic scholars and you will find most if not all these references leading back to speeches of Mr. Zakir Naik where he conviniently misquotes or partially quotes text from Upnishads to drive his point home. Here is a blog debunking some of his most common examples that he quotes.

https://sanatansinhnaad.wordpress.com/2012/11/29/debunking-the-misquoted-and-half-quoted-verses-of-upanishads-by-zakir-naik/