Some women can be fooled all of the time, and all women can be fooled some of the time, but the same woman can't be fooled by the same man in the same way more than half of the time.
Bio: Alexandre V. Borovik is a Professor of Pure Mathematics at the University of Manchester, United Kingdom, where he has been working for the past 20 years. He was born in Russia and graduated from Novosibirsk State University in 1978.