"The quick brown fox jumped over the lazy blue dog!"

In order to test its word processor function, he types "The quick brown fox jumps over the lazy sleeping dog."

The quick brown fox jumps over the lazy dog would, after being disemvowelled, look like this:

The treacherous fox can jump, that is, it can pass over any intervening piece, whether friend or foe, with no effect on either.

He said, "The quick brown fox jumps over the lazy dog."

The most common example in English is "The quick brown fox jumps over the lazy dog."

Write the sentence "The quick brown fox jumps over the lazy dog" on a piece of paper, then look in a mirror to see it backwards.

The fox can jump over geese like in checkers, capturing them.

It was a skill he'd used to devastating effect in the boardroom: nobody ever knew which way the old fox would jump.

There are several such sentences, the most familiar, of course, being "The quick brown fox jumps over the lazy dog."