The concern for thinking well is not only of interest to philosophers, but also to the simplest of people.
Even good feelings, if excessively exalted, are capable of leading us to deplorable errors.
A lazy man is a clock without a spring.
I convinced myself that to doubt everything is to lack the most precise of human reasoning, which is common sense.
Firm will is not the same as energetic will, much less impetuous will.
Woe to the people governed by a Power that must think of its own preservation!
Reason is a monarch condemned to continually struggle with the rebellious passions.
He who does not tolerate intolerance is not tolerant.
Only intelligence examines itself.
Labor is a natural title to the property of the fruits of it, and legislation that does not respect that principle is inherently unjust.