“Опитът твърде често ни учи, че хората над нищо не са така малко властни, както над своя език.”

“Things which are accidentally the causes either of hope or fear are called good or evil omens.”

“Peace is not the absence of war, it is a virtue, a state of mind, a disposition of benevolence, confidence, justice.”

“I do not know how to teach philosophy without becoming a disturber of the peace.”

“If you want the present to be different from the past, study the past.”

“Der Endzweck des Staates ist [...] im Grund die Freiheit.”

“After experience had taught me that all the usual surroundings of social life are vain and futile; seeing that none of the objects of my fears contained in themselves anything either good or bad, except in so far as the mind is affected by them, I finally resolved to inquire whether there might be some real good having power to communicate itself, which would affect the mind singly, to the exclusion of all else: whether, in fact, there might be anything of which the discovery and attainment would enable me to enjoy continuous, supreme, and unending happiness.”