Water continually dropping will wear hard rocks hollow.

Painting is silent poetry, and poetry is painting that speaks.

The usual disease of princes, grasping covetousness, had made them suspicious and quarrelsome neighbors.

We ought not to treat living creatures like shoes or household belongings, which when worn with use we throw away.

If Nature be not improved by instruction, it is blind; if instruction be not assisted by Nature, it is maimed; and if exercise fail of the assistance of both, it is imperfect.

Nature and wisdom never are at strife.

A healer of others, himself diseased.