If a=0, then x=ib is called an imaginary number. The message here is that we must introduce imaginary numbers in order to be able to solve quadratic equations in general.

If you want a shoulder press that forces your core to work even harder – therefore demanding that you have your form absolutely perfect when you do military presses – try the suitcase press.

Endless repetition of the term "lesbians, gay men, and bisexuals” would be cluttersome.

...a statement about measures of volatility (some moments or a measure of chaoticity)