William Kingdon Clifford, (1845-1879) English mathematician, philosopher Share on Facebook Share on Twitter Comment on this quote Share via Email Print this Page [1-3] of 3 William Kingdon Clifford quotesWilliam Kingdon Clifford QuotesWilliam Kingdon Clifford It is wrong always, everywhere and for everyone to believe anything upon insufficient evidence.~ William Kingdon Clifford Share on Facebook Tweet Email Print