Mingle a little folly with your wisdom; a little nonsense now and then is pleasant

A careless song, with a little nonsense in it now and then, does not mis-become a monarch.

A careless song, with a little nonsense in it, now and then, does not misbecome a monarch

The most exquisite Folly is made of Wisdom spun too fine.

For the subtlest folly proceeds from the subtlest wisdom.

Mingle a little folly with your wisdom; a little nonsense now and then is pleasant. [Lat., Misce stultitiam consiliis brevem: Dulce est desipere in loco.]