The 34-year-old has won three Aviva Premiership titles and the Champions Cup, but has decided it is time to hang up his boots.
"I have played for four clubs who I care deeply about and to have been able to captain my country is an honour that I´ll always cherish," Brown said.
It illustrates the inveterate decency of the man, and it illuminates an issue which has dogged Brown all his life. In the past, if I had an interview on the Friday, I’d start to worry about it on the Tuesday and Wednesday.
But it’s part and parcel of who I am and I will keep on plugging away.” Typically, Brown, 30, refuses to contemplate half measures.
“There are ways to get round it,” he says,” but, doing that, you’re not always being honest to yourself. When I was Scottish schools captain, we played in the north of England somewhere and I wanted to thank the club for the use of their facilities. "So I said, ‘I’d like to thank you for the pitch and stuff.’ It sort of conveyed the message, but it was not very eloquent.
You learn to breathe properly and to concentrate at the right times.
And you learn not to be embarrassed and to accept that you may stutter sometimes.