’Tis a portentous sign / When a man sweats and at the same time shivers.

Plagues are as certain as death and taxes.

I reckon being ill as one of the great pleasures of life, provided one is not too ill and is not obliged to work till one is better.

The best quarantine is hygiene.

Health in all lands is among the indispensable guarantees of human progress.

If we wait for a pandemic to appear, it will be too late to prepare.

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

We should always presume the disease to be curable until its own nature proves it otherwise.

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

Health can make money, but money cannot make health.

Infectious disease is one of the few genuine adventures left in the world.

The sick man is the parasite of society.

Disease makes men more physical, it leaves them nothing but body.