A day without sunshine is like night.
A disagreeable task is its own reward.
A donkey is a horse designed by a study team.
A fail-safe circuit will destroy others.
A flying particle will seek the nearest eye.
A fool and his money are soon elected.
A fool and his money stabilize the economy.
A free agent is anything but.
A friend in need is a pest indeed.
A geophysicist is not drunk as long as he can hang onto a single blade of grass and not fall off the face of the earth.