Seldom he smiles, and smiles in such a sort

As if he mock'd himself, and scorn'd his spirit

That could be moved to smile at anything.

William Shakespeare (1564-1616): Julius Caesar. Act i. Sc. 2.

For seldom shall she hear a tale

So sad, so tender, and so true.

William Shenstone (1714-1763): Jemmy Dawson.