Hans Eysenck quotes:

Tact and diplomacy are fine in international relations, in politics, perhaps even in business; in science only one thing matters, and that is the facts.

They show that roughly two-thirds of a group of neurotic patients will recover or improve to a marked extent within about two years of the onset of their illness, whether they are treated by means of psychotherapy or not.

There thus appears to be an inverse correlation between recovery and psychotherapy; the more psychotherapy, the smaller the recovery rate.

Psychotherapy is the prostitution of friendship.

In our tabulation of psychoanalytic results, we have classed those who stopped treatment together with those not improved. This appears to be reasonable; a patient who fails to finish his treatment, and is not improved, is surely a therapeutic failure.

Scientists, especially when they leave the particular field in which they are specialized, are just as ordinary, pig-headed, and unreasonable as everybody else, and their unusually high intelligence only makes their prejudices all the more dangerous.

The more psychotherapy, the smaller the recovery rate.

If the truth contradicts deeply held beliefs, that is too bad.

I always felt that a scientist owes the world only one thing, and that is the truth as he sees it.

In general, certain conclusions are possible from these data. They fail to prove that psychotherapy, Freudian or otherwise, facilitates the recovery of neurotic patients.

I always felt that a scientist owes the world only one thing, and that is the truth as he sees it. If the truth contradicts deeply held beliefs, that is too bad. Tact and diplomacy are fine in international relations, in politics, perhaps even in business; in science only one thing matters, and that is the facts.

If you admit that to silence your opponent by force is to win an intellectual argument, then you admit the right to silence people by force.

It is generally agreed by philosophers of science that important contributions which have a revolutionary impact on science are often methodologically inadequate, reveal many anomalies, and may indeed be factually erroneous.