Who said “Nothing can contribute more to peace of soul than the lack of any opinion whatever.”?

“Men are accomplices to that which leaves them indifferent.”

“Lukewarmness I account a sin, as great in love as in religion.”

“The worst sin towards our fellow creatures is not to hate them, but to be indifferent to them; that's the essence of inhumanity.”

“The opposite of love is not hate, it's indifference. The opposite of art is not ugliness, it's indifference. The opposite of faith is not heresy, it's indifference. And the opposite of life is not death, it's indifference.”

“Pain has its reasons, pleasure is totally indifferent.”

“Ideas too are a life and a world.”

“Virtue by premeditation isn't worth much.”

“First we have to believe, and then we believe.”

“Man is to be found in reason, God in the passions.”

“Erudition can produce foliage without bearing fruit.”

“Once we know our weaknesses they cease to do us any harm.”