A living gale is better than a dead calm.
Patriotism covers a multitude of sins.
You wouldn't believe On All Hallow Eve What lots of fun we can make, With apples to bob, And nuts on the hob, And a ring-and-thimble cake.
A blunder at the right moment is better than cleverness at the wrong time.
A critic is a necessary evil, and criticism is an evil necessity.
One of the first principles of perseverance is to know when to stop persevering.