“One's first step in wisdom is to question everything - and one's last is to come to terms with everything.”

“To make a vow is a greater sin than to break one.”

“There is no mistaking a good book when one meets it. It is like falling in love.”

“With most men, unbelief in one thing springs from blind belief in another.”

“In his Comedy, Dante Alighieri names Virgil, with many tokens of respect, as his teacher, and yet as Herr Meinhard remarks, makes such ill use of him: clear proof that even in the days of Dante one praised the ancients without knowing why. This respect for poets one does not understand and yet wishes to equal is the source of the bad writing in our literature.”

“If we thought more for ourselves we would have very many more bad books and very many more good ones.”

“...if we gained only one incontestable truth every ten years from each of our philosophical writers the harvest we reaped would be sufficient.”