"Yet it is so obvious.

You are the amateur, I am the professional--that is all." He looked at his watch and rose to his feet.
"I must go" he said and as he turned towards the door a cry sprang from Mr.Ricardo's lips "It is true.

I am the amateur.

Yet I have knowledge, Monsieur Hanaud which the professional would do well to obtain." Hanaud turned a guarded face towards Ricardo.

There was no longer any raillery in his manner.