“Jealousy is the foundation of equality, but not of liberty ; putting man constantly on his guard against the encroachments of his neighbors. It prevents affability between different classes. There is no society without affection, without tradition, without respect, without mutual amenity.”

“The simplest schoolboy is now familiar with truths for which Archimedes would have sacrificed his life.”

“O Lord, if there is a Lord, save my soul, if I have a soul...”

“What is human life? Is it not a maimed happiness—care and weariness, weariness and care, with the baseless expectation...of a brighter tomorrow?”

“Man makes holy what he believes, as he makes beautiful what he loves.”

“Para obrar de acuerdo a este mundo, hay que morir dentro de uno mismo. El hombre no está en este mundo para ser feliz ni honrado, está en él para realizar grandes cosas para la humanidad, para alcanzar la nobleza y sobreponerse a la vulgaridad del ambiente en que se desarrolló la existencia de la mayoría de los individuos”

“Order without liberty and liberty without order are equally destructive.”