I regret nothing, says arrogance; I will regret nothing, says inexperience.
It's bad enough when married people bore one another, but it's much worse when only one of them bores the other.
Those who know nothing must believe everything.
Happy slaves are the bitterest enemies of freedom.
They understand but a little who understand only what can be explained.
To be content with little is difficult; to be content with much, impossible.