There is frequently more to be learned from the unexpected questions of a child than the discourses of men, who talk in a road, according to the notions they have borrowed and the prejudices of their education.

The great pleasure of ignorance is the pleasure of asking questions. The man who has lost this pleasure or exchanged it for the pleasure of dogma, which is the pleasure of answering, is already beginning to stiffen.

There aren't any embarrassing questions-just embarrassing answers.

All inquiries carry with them some element of risk.