Lesson 49 Scientists are clever men

Sandy: How long ago were you in America,Professor Boffin?

Professor: I can't remember.Let me see.

Professor: I was there in 1960.

Sandy: How many years ago was that?

Professor: Let me see.One, two, three…yes! I was there ten years ago.

Sandy: Scientists are very clever men, Professor Boffin.

Sandy: But do they always count on their fingers?