“Abuse of words has been the great instrument of sophistry and chicanery, of party, faction, and division of society. ”

“There is nothing which I dread so much as a division of the republic into two great parties, each arranged under its leader, and concerting measures in opposition to each other. This, in my humble apprehension, is to be dreaded as the greatest political evil under our Constitution.”

“Be not intimidated...nor suffer yourselves to be wheedled out of your liberties by any pretense of politeness, delicacy, or decency. These, as they are often used, are but three different names for hypocrisy, chicanery and cowardice.”

“This society [Jesuits] has been a greater calamity to mankind than the French Revolution, or Napoleon's despotism or ideology. It has obstructed the progress of reformation and the improvement of the human mind in society much longer and more fatally.{Letter to Thomas Jefferson, November 4, 1816. Adams wrote an anonymous 4 volume work on the destructive history of the Jesuits}”

“Tacitus appears to have been as great an enthusiast as Petrarch for the revival of the republic and universal empire. He has exerted the vengeance of history upon the emperors, but has veiled the conspiracies against them, and the incorrigible corruption of the people which probably provoked their most atrocious cruelties. Tyranny can scarcely be practised upon a virtuous and wise people.”

“I almost shudder at the thought of alluding to the most fatal example of the abuses of grief which the history of mankind has preserved - the Cross. Consider what calamities that engine of grief has produced! With the rational respect that is due to it, knavish priests have added prostitutions of it, that fill or might fill the blackest and bloodiest pages of human history.{Letter to Thomas Jefferson, September 3, 1816]”

“The true source of our sufferings has been our timidity.”