Piadinha em inglês - De pai pra filho

A Letter From School

Dear Dad,
$chool i$ really great. I am making lot$ of friend$ and $tudying
very hard. With all my $tuff, I $imply can't think of anything I
need, $o if you would like, you can ju$t $end me a card, a$ I would
love to hear from you.

Love,

Your $on.

-----------

Dear Son,

I kNOw that astroNOmy, ecoNOmics, and oceaNOgraphy are eNOugh to
keep even an hoNOr student busy. Do NOt forget that the pursuit of
kNOwledge is a NOble task, and you can never study eNOugh.

Love,

Dad