The highest activity a human being can attain is learning fo... - Baruch Spinoza

"He alone is free who lives with free consent under the entire guidance of reason"

"Fear cannot be without hope nor hope without fear."

"I have made a ceaseless effort not to ridicule, not to bewail, not to scorn human actions, but to understand them."

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

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