“By doubting we come to the question, and by questioning we may come upon the truth.”

“The beginning of wisdom is found in doubting; by doubting we come to the question, and by seeking we may come upon the truth.”

“Against the disease of writing one must take special precautions, since it is a dangerous and contagious disease.”

“Assiduous and frequent questioning is indeed the first key to wisdom... for by doubting we come to inquiry; through inquiring we perceive the truth...”

“(in which, along with Montaigne, we raise the question of whether a book you have read and completely forgotten, and which you have even forgotten you have read, is still a book you have read)”

“The problem with learning the truth about things is that you lose the confidence that comes from being dumb.”

“The key to wisdom is this -- constant and frequent questioning ... for by doubting we are led to question and by questioning we arrive at the truth.”