Terry Pratchett said this quote
“ Anyway, it's like with bikes,' said the first speaker authoritatively. 'I thought I was going to get this bike with seven gears and one of them razorblade saddles and purple paint and everything, and they gave me this light blue one. With a basket. A girl's bike.''Well. You're a girl,' said one of the others.'That's sexism, that is. Going around giving people girly presents just because they're a girl. ”