3.Of these, equality is the basis, and an intercourse of sentiments unclogged by that observant seriousness which prevents disputation, though it may not inforce submission.
4.Debates were held in London and elsewhere between 1922 and 1925, but culminated in a famous academic disputation in 1927 at the Fifth Solvay Conference at the International Solvay Institutes of Physics and Chemistry in Brussels.