There are very few theorems in advanced analysis which have been demonstrated in a logically tenable manner. Everywhere one finds this miserable way of concluding from the special to the general and it is extremely peculiar that such a procedure… — Niels Henrik Abel Copy Share Image
The so-called paradoxes of an author, to which a reader takes exception, often exist not in the author's book at all, but rather in the reader's head. — Friedrich Nietzsche Copy Share Image
