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: Manjit Kumar wrote the popular science book Quantum which was shortlisted for the BBC Samuel Johnson Prize for Non-Fiction, 2009. and was also co-author of the book Science and the Retreat from Reason.
