“[The critic] serves up his erudition in strong doses; he pours out all the knowledge he got up the day before in some library or other, and treats in heathenish fashion people at whose feet he ought to sit, and the most ignorant of whom could give points to much wiser men than he.Authors bear this sort of thing with a magnanimity and a patience that are really incomprehensible. For, after all, who are those critics, who with their trenchant tone, their dicta, might be supposed sons of the gods? They are simply fellows who were at college with us, and who have turned their studies to less account, since they have not produced anything, and can do no more than soil and spoil the works of others, like true stymphalid vampires.”

“Neglect of mathematics work injury to all knowledge, since he who is ignorant of it cannot know the other sciences or things of this world. And what is worst, those who are thus ignorant are unable to perceive their own ignorance, and so do not seek a remedy.”

“And whenever any one informs us that he has found a man who knows all the arts, and all things else that anybody knows, and every single thing with a higher degree of accuracy than any other man –whoever tells us this, I think that we can only imagine him to be a simple creature who is likely to have been deceived by some wizard or actor whom he met, and whom he thought all-knowing, because he himself was unable to analyze the nature of knowledge and ignorance and imitation.”

“Some people just have more of a chance than others, and some just have to take the chances that they have. I know a lot of people who were more unfortunate than Jerry Bines, who turned out much better-”

“A rationalist is simply someone for whom it is more important to learn than to be proved right; someone who is willing to learn from others - not by simply taking over another's opinions, but by gladly allowing others to criticize his ideas and by gladly criticizing the ideas of others”

“All men have the stars," he answered, "but they are not the same things for different people. For some, who are travellers, the stars are guides. For others they are no more than little lights in the sky. For others, who are scholars, they are problems. For my businessman they were wealth. But all the stars are silent. You--you alone--will have the stars as no one else has them--”