And that old dame said many an idle verse, / Out of her daughter's heart fond fancies to reverse.

Miss H.'s voice was clear and intelligible, although it alternated between vocal blockings and extreme vocal hurry, every clause being jetted out suddenly, and rapidly decaying into aphonia.

In this section we use two historical ciphers to introduce modular arithmetic with integers. Even though the historical ciphers are no longer relevant, modular arithmetic is extremely important in modern cryptography, especially for asymmetric algorithms.

Fred bowled me a googly when he asked me to explain those statistics in the meeting.