"Einstein's results again turned the tables and now very few philosophers or scientists still think that scientific knowledge is, or can be, proven knowledge"

Imre Lakatos, a theorist of science, is highlighting a substantial shift in the perception of scientific understanding, especially in the wake of developments brought forth by Albert Einstein's theories. The quote highlights the concept that Einstein's work, to name a few, has actually improved our understanding of what makes up scientific understanding.

Historically, science was viewed as a body of knowledge that might be shown with certainty through empirical evidence and logical reasoning. This conception was dominant during the periods of classical physics and was mostly affected by the success of Newtonian mechanics, which seemed to use a definitive and proven account of natural phenomena.

Nevertheless, the introduction of Einstein's theories, particularly the theories of relativity, challenged the classical ideas of area, time, and gravitation, showing that clinical designs are not outright realities however undergo modification and improvement. Einstein's work demonstrated that clinical theories are not definitive; rather, they are approximations that much better describe observations till they are potentially replaced or revised by more accurate designs. This awareness caused a more comprehensive acceptance of clinical fallibilism-- the concept that scientific understanding is inherently provisionary and open up to falsification.

Lakatos is recommending that Einstein's impact has been profound enough to modify the philosophical landscape, to the point where few hang on to the concept of science as delivering particular or proven understanding. Rather, science is seen as an ever-evolving pursuit, where theories are verified through their effectiveness in explaining and predicting phenomena, however never shown in an absolute sense.

This perspective aligns with the philosophical techniques like Karl Popper's falsificationism, which presumes that clinical theories can just ever be disproven, not conclusively shown. Such approaches stress the tentative and revisable nature of scientific query. Thus, Lakatos's declaration is a reflection on the developing nature of science, acknowledging the profound impact of Einstein's contributions in shaping modern-day clinical idea.