“Truth is not only violated by falsehood;it may be outraged by silence.”

“An error is the more dangerous the more truth it contains.”

“Man becomes man only by his intelligence, but he is man only by his heart.”

“Hope is only the love of life.”

“What is it which has always come between real life and me? What glass screen has, as it were, interposed itself between me and the enjoyment, the possession, the contact of things, leaving me only the role of the looker-on?”

“Society lives by faith, and develops by science.”

“A belief is not true because it is useful”