Experience constantly proves that every man who has power is impelled to abuse it; he goes on till he is pulled up by some limits. Who would say it! virtue even has need of limits.
False happiness renders men stern and proud, and that happiness is never communicated. True happiness renders them kind and sensible, and that happiness is always shared.
In bodies moved, the motion is received, increased, diminished, or lost, according to the relations of the quantity of matter and velocity; each diversity is uniformity, each change is constancy.
Religious wars are not caused by the fact that there is more than one religion, but by the spirit of intolerance… the spread of which can only be regarded as the total eclipse of human reason.
