Letter to Bessel, 1830. McGraw Hill inc., 1992. The Mind and the Eye 1954. Few, but ripe. W. Shakespeare King Lear .
Theory attracts practice as the magnet attracts iron.
Foreword of H.B L bsen's geometry textbook. It is not knowledge, but the act of learning, not possession but the act of getting there, which grants the greatest enjoyment. I imagine the world conqueror must feel thus, who, after one kingdom is scarcely conquered, stretches out his arms for others. Letter to Bolyai, 1808. Finally, two days ago, I succeeded - not on account of my hard efforts, but by the grace of the Lord.