While there is such a thing as correctness in ethics, in interpretation, in mathematics, the way to understand that is not by trying to model it on the ways in which we get things right in physics.
One can defend common sense against the attacks of philosophers only by solving their puzzles, i.e., by curing them of the temptation to attack common sense.
...if there is a widely shared concept of intentional action... a philosophical analysis of intentional action that is wholly unconstrained by that concept runs the risk of having nothing more than a philosophical fiction as its subject matter.
Some philosophers are drawn to the subject [of philosophy] via their interest in the nature and structure of the world external to us. Others are drawn to it by an interest in the capacities that make humans distinctive in the world. I am a philosopher of the latter sort. My work thus far has been clustered around the nexus of knowledge, communication, and human action.
Now I do not myself share that superstitious reverence for the beliefs of common sense which many contemporary philosophers profess. But I think that we must start from them, and that we ought to depart from them only when we find good reason to do so.
As so often happens in philosophy, clever people accept a false general principle on a priori grounds and then devote endless labour and ingenuity to explaining away plain facts which obviously conflict with it.
Reason is universal because no attempted challenge to its results can avoid appealing to reason in the end-by claiming, for example, that what was presented as an argument is really a rationalization. This can undermine our confidence in the original method or practice only by giving us reasons to believe something else, so that finally we have to think about the arguments to make up our minds.
When a man is proud because he can understand and explain the writings of Chrysippus, say to yourself, 'if Chrysippus had not written obscurely, this man would have had nothing to be proud of.'
If, like Hume, I had all manner of adornment in my power, I would still have reservations about using them. It is true that some readers will be scared off by dryness. But isn't it necessary to scare off some if in their case the matter would end up in bad hands?
Not by wrath does one kill, but by laughter.
It is only a man's own fundamental thoughts that have truth and life in them.
Success in the majority of circumstances depends on knowing how long it takes to succeed.
Every guilty person is his own hangman.
Omnia apud me mathematica fiunt.
You learn to know a pilot in a storm.
Peace is a natural effect of trade.
So long as I confine my thoughts to my own ideas divested of words, I do not see how I can be easily mistaken.
Poverty wants some, luxury many, and avarice all things.
Beyond Good and Evil, Aphorism 153
The Antichrist, Section 7
Ambition is the immoderate desire for honor.
The approach of liberty makes even an old man brave.
In business for yourself, not by yourself.
Peace is not the absence of war, but a virtue based on strength of character.
We do not say: Being is, time is, but rather: there is Being and there is time.
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