And sentences can't start with 'And'. And the dinosaurs ate all the pens.

And I was informed today that sentences cannot start with 'And'. And I've just done that very thing so obviously sentences can start with and.

And another thing, punctuation was invented by printers not by writers, who in the early days were just recording the spoken word.

And the spoken word pre-dated everything.

Because the dinosaurs ate all the pens.