The essence of life consists in thinking, and being conscious of one's soul.
Those who never retract their opinions love themselves more than they love the truth.
When one has too great a dread of what is impending, one feels some relief when the trouble has come.
Abuse of words is the foundation of ideology.
Men must be either the slaves of duty, or the slaves of force.
It is better to debate a question without settling it than to settle a question without debating it.