Still, he knows something.

He knows enough to take off his hat when they play 'God save the King'.

He doesn't take it off by mistake when they play 'Oh, dem Golden Slippers'.

Just in the same way science--" Here Mr Burrows stopped abruptly.

He was interrupted by an argument uncommon in philosophical controversy and perhaps not wholly legitimate.
Rupert Grant had bounded on him from behind, flung an arm round his throat, and bent the giant backwards.
"Knock the other fellow down, Swinburne," he called out, and before I knew where I was I was locked in a grapple with the man in the purple blazer.