A letter from a son at school to his father . . .

$chool i$ really great. I am making a lot$ of friend$ and $tudy hard. With all my $tuff,  I $impy can’t think of anything I need, $o if you like, you can ju$t $end me a card, a$ I would love hear from you.

Love, Your  $on.

A week later….the response from dad arrived :

Dear  Son,

I kNOw that astroNOmy, ecoNOmic and oceaNOgraphy are  eNOugh to keep event an hoNOr student busy. Do Not forget that the persuit of knowledge is a Noble task and you can never study eNOugh.

Love, Dad.