'But the man who is ready to taste every form of knowledge, is glad to learn and never satisfied - he's the man who deserves to be called a philosopher, isn't he?'
Time is not an empirical concept. For neither co-existence nor succession would be perceived by us, if the representation of time did not exist as a foundation a priori.
Natural science physics contains in itself synthetical judgments a priori, as principles. ... Space then is a necessary representation a priori, which serves for the foundation of all external intuitions.
All other swindlers upon earth are nothing to the self-swindlers, and with such pretences did I cheat myself. Surely a curious thing. That I should innocently take a bad half-crown of somebody else's manufacture, is reasonable enough; but that I should knowingly reckon the spurious coin of my own make, as good money!
Upon the solution of this problem, or upon sufficient proof of the impossibility of synthetical knowledge a priori, depends the existence or downfall of metaphysics.
At last, however, he began to think -- as you or I would have thought at first; for it is always the person not in the predicament who knows what ought to have been done in it, and would unquestionably have done it too . . .
You will profit by the failure, and will avoid it another time. I have done a similar thing myself, in construction, often. Every failure teaches a man something, if he will learn.
This reminds me, Godmother, to ask you a serious question. You are as wise as wise can be (having been brought up by the fairies), and you can tell me this: Is it better to have had a good thing and lost it, or never to have had it?
Quadruped lions are said to be savage, only when they are hungry; biped lions are rarely sulky longer than when their appetite for distinction remains unappeased.
I find my breath gets short, but it seldom gets longer as a man gets older. I take it as it comes, and make the most of it. That's the best way, ain't it?