"It is true that mathematics, owing to the fact that its whole content is built up by means of purely logical deductio…"

"Mathematical knowledge, therefore, appears to us of value not only in so far as it serves as means to other ends, but…"

"Out of the interaction of form and content in mathematics grows an acquaintance with methods which enable the student…"

"I have come to the conclusion that the exertion, without which a knowledge of mathematics cannot be acquired, is not …"

"It may be asserted without exaggeration that the domain of mathematical knowledge is the only one of which our otherw…"

"If in Germany the goddess Justitia had not the unfortunate habit of depositing the ministerial portfolios only in the…"

"The true mathematician is always a good deal of an artist, an architect, yes, of a poet. Beyond the real world, thoug…"

"The domain, over which the language of analysis extends its sway, is, indeed, relatively limited, but within this dom…"

"The analysis which is based upon the conception of function discloses to the astronomer and physicist not merely the …"

"Dirichlet was not satisfied to study Gauss' "Disquisitiones arithmeticae" once or several times, but continued throug…"