Even a stopped clock is right twice a day.

As the saying goes, even a broken clock is right twice a day; that doesn't mean you should run out and buy one.

A cloudy day, or a little sunshine, have as great an influence on many constitutions as the most real blessings or misfortunes

Nobody is right all the time and a broken clock is right twice a day.

A day, an hour, of virtuous liberty Is worth a whole eternity in bondage

He thought he was a wit, and he was half right.