"The difficulties in the study of the infinite arise because we attempt, with our finite minds, to discuss the infinite, assigning to it those properties which we give to the finite and limited; but th…"

"I consider the best judge to be the one who knows how to listen to both sides."

"The universe is a grand book which cannot be understood unless one first learns to comprehend the language and interpret the characters in which it is written."

"That man will be very fortunate who, led by some unusual inner light, shall be able to turn from the dark and confused labyrinths within which he might have gone forever wandering with the crowd and b…"

"I know that I am mortal, and that my life will pass away like a shadow; but I hope that my discoveries will live on."