“"A dangerous theory!" came from Sir Thomas's tight lips. Lady Agatha shook her head, but could not help being amused. Mr. Erskine listened.
"Yes," he continued, "that is one of the great secrets of life. Nowadays most people die of a sort of creeping common sense, and discover when it is too late that the only things one never regrets are one's mistakes."
A laugh ran round the table.
He played with the idea and grew wilful; tossed it into the air and transformed it; let it escape and recaptured it; made it iridescent with fancy and winged it with paradox.”