It is difficult to free fools from the chains they revere.
Geneva, Switzerland
If this is the best of possible worlds, what then are the others?
One dies twice: to cease to live is nothing, but to cease to love and to be loved is an insupportable death.
History is only a record of crimes and misfortunes.
Stubborn and ardent clinging to one's opinion is the best proof of stupidity.
It is always easier to fight for one's principles than to live up to them.
The snake which cannot cast its skin has to die.
