Can one teach a bear to dance?

.

Z is for zoo, the Biblical Zoo in Jerusalem.

And another old Yiddish saying:

With time, even a bear can be taught to dance. 
 אַ בער לערנט מען אויך אויס טאַנצן. A ber lernt men oykh oys tantsn.
 .
(Linking to ABC Wednesday.)
.