Source : "Vokes - My Story" by Chris Vokes, John Philip Maclean, (p. 232), 1985.
Christopher Vokes#Ease Quotes #Follow Me Quotes #Salute Quotes
Source : "The Rainbow of Mathematics: A History of the Mathematical Sciences". Book by Ivor Grattan-Guinness, p. 127, 200.
Source : Source: travel.cnn.com