Paul Ehrlich

The concept of a 'receptor' is fundamental to understanding drug action.

Without chemical understanding, medicine is mere empiricism.

I have stained more slides than any man alive.

The hope of the future lies in preventive medicine.

The body possesses specific defensive mechanisms against every type of poison.

We stand on the threshold of a new era in medicine.

The specific cure of infectious diseases must be sought in substances which are antagonistic to the parasites without being harmful to the host.

Research is an endless struggle with the unknown.

The fight against tuberculosis and cancer will be won by chemotherapy.

A single experiment can sometimes overthrow a long-held theory.

The laboratory is the temple of the researcher.

I would rather be the first to find a new fact than the last to defend an old error.

The magic bullet concept is a goal, not a fantasy.

Medicine is a social science, and politics is nothing else but medicine on a large scale.

The parasites of man are his most dangerous enemies.

Progress in medicine is measured by the number of diseases we can prevent.

The key to therapy is specificity.

One must not be afraid to make hypotheses, but one must be ready to abandon them when facts contradict them.

The salvation of millions from infectious diseases will come from the chemical laboratory.

A theory is only as good as the experiments that support it.