Thought is subversive and revolutionary, destructive and terrible, Thought is merciless to privilege, established institutions, and comfortable habit. Thought is great and swift and free.
To acquire immunity to eloquence is of the utmost importance to the citizens of a democracy.
The megalomaniac differs from the narcissist by the fact that he wishes to be powerful rather than charming, and seeks to be feared rather than loved. To this type belong many lunatics and most of the great men of history.
The secret to happiness is to face the fact that the world is horrible.
Religion is something left over from the infancy of our intelligence, it will fade away as we adopt reason and science as our guidelines.
If there were in the world today any large number of people who desired their own happiness more than they desired the unhappiness of others, we could have a paradise in a few years.
Fear is the main source of superstition, and one of the main sources of cruelty. To conquer fear is the beginning of wisdom.
Do not fear to be eccentric in opinion, for every opinion now accepted was once eccentric.