The doctor who prescribes gratuitously gives a worthless prescription.
The rose grows among thorns.
The wine belongs to the master but the waiter receives the thanks.
He who mixes with unclean things becomes unclean himself; he whose associations are pure becomes more holy with each day.
No man is impatient with his creditors.
Make but one sale, and thou art called a merchant.
Mention not a blemish which is thy own, in detraction of thy neighbor.
If certain goods sell not in one city, try another place.
He who reads the letter should execute the message.