Authors:

I've learned not to look a gift horse in the mouth. Why you would want to look any horse the mouth considering how infrequently they brush is beyond me.

"Ask the Author Live: Robert Mankoff on the Cartoon Issue". The New Yorker Interview, www.newyorker.com. October 21, 2011.
I've learned not to look a gift horse in the mouth. Why you would want to look any horse the mouth considering how infrequently they brush is beyond me.