Robert Christy, comp. Proverbs, Maxims and Phrases of All Ages. 1887.

Exertion

Lambs don’t run into the mouth of the sleeping wolf.Danish.

No great good comes without looking after it.

No pear falls into a shut mouth.Italian.

Roast geese don’t come flying into the mouth.Dutch.

Roast pigeons don’t fly through the air.

You may gape long enough ere a bird fall in your mouth.