"It may be said, without exaggeration, that there is no other text which is documented by such varied types of sources."

"Certain conclusions have forced themselves upon me while studying the sources, and I have not felt constrained to con…"

"This identity is neither coincidental nor self-evident."

"To be sure, these witnesses provide an excellent illustration of textual dynamics, and they deepen our knowledge of t…"

"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…"