All the world is topsy-turvy, and it has been topsy-turvy ever since the plague.

Disease is not of the body but of the place.

What timid man does not avoid contact with the sick, fearing lest he contract a disease so near?

Plagues are as certain as death and taxes.

The diseases of the present have little in common with the diseases of the past save that we die of them.

Health can make money, but money cannot make health.

In times of pestilence, gaiety and joyousness are most profitable.

The best quarantine is hygiene.

The passion for setting people right is in itself an afflictive disease.