If this is the best of possible worlds, what then are the others?
Minds differ still more than faces.
If mankind were born tomorrow it would divide into groups; each would scramble to invent their one and only god, and set about butchering each-other.
To succeed in chaining the multitude, you must seem to wear the same fetters.
No problem can withstand the assault of sustained thinking.
Know that the secret of the arts is to correct nature.