The wisdom of one generation will be the folly of the next.

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

For the subtlest folly proceeds from the subtlest wisdom.

The more elaborate our means of communication, the less we communicate.

In completing one discovery we never fail to get an imperfect knowledge of others of which we could have no idea before, so that we cannot solve one doubt without creating several new ones.

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