"If there is a sense of reality, there must also be a sense of possibility. To pass freely through open doors, it is n…"

"Questions and answers click into each other like cogs of a machine. Each person has nothing but quite definite tasks.…"

"Wir haben nicht zuviel Verstand und zu wenig Seele, sondern wir haben zu wenig Verstand in den Fragen der Seele."

"With its claims to profundity, boldness and originality, thinking still limits itself provisionally to the exclusivel…"

"[T]he restricting of intellectual and spiritual needs to the mania of progress..."

"His appearance gives no clue to what his profession might be, and yet he doesn't look like a man without a profession…"

"In their field they [mathematicians] do what we ought to be doing in ours. Therein lies the significant lesson … of t…"

"There is nothing more deplorable than those skeptics and reformers, liberal priests and humanistically-oriented schol…"

"Mathematics is the bold luxury of pure reason, one of the few that remain today."

"If someone were to discover, for instance, that under hitherto unobserved circumstances stones were able to speak, it…"