If you can correctly pronounce every word in this poem, you will be speaking English better than 90% of the native English speakers in the world. After trying the verses, a Frenchman said he'd prefer six months of hard labour to reading six lines aloud. Try them yourself.
“This must be so hard. ‘Oh, no! Two women love me. They’re both gorgeous and sexy. My wallet’s too small for my fifties, and my diamond shoes are too tight!’”—Chandler Bing (via themeghan)