"When his career was ended in 1864 he had the mortification of witnessing the ruin of a teaching to which he had devot…"

"The brain isn't the cause of experience for the same reason that lightning isn't the cause of atmospheric electric di…"

"I propose an idealist ontology that makes sense of reality in a more parsimonious and empirically rigorous manner tha…"

"I claim that the success of current scientific theories is no miracle. It is not even surprising to the scientific (D…"

"Logic depends upon mathematics. ...[I]ntuitive logical reasoning ...remains if ...one restricts oneself to relations …"

"The words of... mathematical demonstration merely accompany a mathematical construction that is effected without word…"

"With which mathematical notions a spoken or written symbol will be made to correspond... will... differ according to …"

"Life is a magic garden. With wondrous softly shining flowers, but between the flowers there are the little gnomes, th…"

"The viewpoint of the formalist must lead to the conviction that if other symbolic formulas should be substituted for …"

"[I]t is easily conceivable that, given the same organization of the human intellect and... the same mathematics, a di…"