» Our opinions become fixed at the point where we stop thinking.
» The simplest school boy is now familiar with truths for which Archimedes would have sacrificed his life.
» As soon as sacrifice becomes a duty and necessity to mankind. I see no limit to the horizon which opens before him.
» No idea can succeed except at the expense of sacrifice; no one ever escapes without enduring strain from the struggle of life.
» He whom God has touched will always be a being apart: he is, whatever he may do, a stranger among men; he is marked by a sign.
» The simplest schoolboy is now familiar with truths for which Archimedes would have given his life.