Proverbial Wisdom

Express the idea behind each of these proverbs using different words as much as you can.

517. Progress is
The law of life, man is not man as yet.

Robert Browning (1812-1889)

Paracelsus, V

518. One sickly sheep infects the flock,
And poisons all the rest.

Isaac Watts (1674-1748)

Songs for Children, XXI

519. The eye is traitor to the heart.

Sir Thomas Wyatt (1503-1542)

That the Eye bewrayeth, etc..

520. Reading is to the mind what exercise is to the body.

Sir Richard Steele (1672-1729)

The Tatler, No. 147

521. The bad man’s cunning still prepares the way
For its own outwitting.

Samuel Taylor Coleridge (1772-1834)

Zapolya, Sc. I

522. More childish valourous than manly wise.

Christopher Marlowe (1564-1593)

Tamburlaine the Great, Pt II (Calyphas), Act IV,
Scene I