Know which officials are voted into office and which are appointed, and by whom.

If your head tells you one thing, and your heart tells you another, before you do anything, you should first decide whether you have a better head or a better heart.

Evolution has long been the target of illogical arguments that use presumption.

Know how to treat frostbite until you can get indoors.

[When asked if the voice is an instrument:] Yes, of course. Some are violins, some are fountain pens and some are stethoscopes. And others are just washboards.

Everybody loves an accent. It you've been unlucky in love, consider pulling up stakes and moving to another country. Then you'll be the one with a neat foreign accent.

Yes. The original argument is defective. Substitute the word 'male' for 'gay,' and you'll see the flaw: 'Male people cannot be normal. If everyone were male starting tomorrow, the human race would die out, so being male cannot be nature's intended way.' Or you could substitute the word 'female.' In either case, the argument makes no sense: Being male or female is perfectly normal.