"The present is never our end. The past and present are our means, the future alone is our end."

"The heart has its reasons of which reason knows nothing."

"People are generally better persuaded by the reasons which they have themselves discovered than by those which have come into the mind of others."

"The supreme function of reason is to show man that there is nothing beyond reason."

"We are all born with a thirst for happiness, but we are all born with a thirst for something we cannot find on earth."