Medicine is a rich soil but it doesn't yield its harvest unaided.


Knock, Act 1 (p. 11), Barron's Educational Series, Inc. Great Neck, New York, USA. 1962


Medicine is a rich soil but it doesn't yield its harvest unaided.

Medicine is a rich soil but it doesn't yield its harvest unaided.

Medicine is a rich soil but it doesn't yield its harvest unaided.

Medicine is a rich soil but it doesn't yield its harvest unaided.