Philosopher Quotes

Seek not the favor of the multitude; it is seldom got by honest and lawful means. But seek the testimony of few; and number not voices, but weigh them.
So act that your principle of action might safely be made a law for the whole world.
The only objects of practical reason are therefore those of good and evil. For by the former is meant an object necessarily desired according to a principle of reason; by the latter one necessarily shunned, also according to a principle of reason.
Thoughts without content are empty, intuitions without concepts are blind.
To be is to do.
Two things awe me most, the starry sky above me and the moral law within me.
What can I know? What ought I to do? What can I hope?
Blind commitment to a theory is not an intellectual virtue: it is an intellectual crime.
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.
If even in science there is no a way of judging a theory but by assessing the number, faith and vocal energy of its supporters, then this must be even more so in the social sciences: truth lies in power.
Indeed, this epistemological theory of the relation between theory and experiment differs sharply from the epistemological theory of naive falsificationism.
It would be wrong to assume that one must stay with a research programme until it has exhausted all its heuristic power, that one must not introduce a rival programme before everybody agrees that the point of degeneration has probably been reached.
Our empirical criterion for a series of theories is that it should produce new facts. The idea of growth and the concept of empirical character are soldered into one.
Philosophy of science without history of science is empty; history of science without philosophy of science is blind.
Research programmes, besides their negative heuristic, are also characterized by their positive heuristic.
The clash between Popper and Kuhn is not about a mere technical point in epistemology.
The classical example of a successful research programme is Newton's gravitational theory: possibly the most successful research programme ever.
The positive heuristic of the programme saves the scientist from becoming confused by the ocean of anomalies.
There is no falsification before the emergence of a better theory.
All forms of tampering with human beings, getting at them, shaping them against their will to your own pattern, all thought control and conditioning is, therefore, a denial of that in men which makes them men and their values ultimate.
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