1. “All national institutions of churches, whether Jewish, Christian, or Turkish, appear to me no other than human inventions, set up to terrify and enslave mankind, and monopolize power and profit.”
2. “An avidity to punish is always dangerous to liberty. It leads men to stretch, to misinterpret, and to misapply even the best of laws. He that would make his own liberty secure, must guard even his enemy from opposition; for if he violates this duty he establishes a precedent that will reach to himself.”
3. “I do not believe in the creed professed by the Jewish church, by the Roman church, by the Greek church, by the Turkish church, by the Protestant church, nor by any church that I know of. My own mind is my own church.”
4. “I love the man that can smile in trouble, that can gather strength from distress, and grow brave by reflection. 'Tis the business of little minds to shrink, but he whose heart is firm, and whose conscience approves his conduct, will pursue his principles unto death."
5. “Of all the tyrannies that affect mankind, tyranny in religion is the worst: Every other species of tyranny is limited to the world we live in, but this attempts a stride beyond the grave, and seeks to pursue us into eternity.”
6. “There are two distinct classes of what are called thoughts: those that we produce in ourselves by reflection and the act of thinking and those that bolt into the mind of their own accord.”
7. “We have it in our power to begin the world again.”
8. "When a man has so far corrupted and prostituted the chastity of his mind as to subscribe his professional belief for to things he does not believe, he has prepared himself for the commision of every other crime."
9. “When men yield up the privilege of thinking, the last shadow of liberty quits the horizon.”