Intelligence is not to make no mistakes, but quickly to see how to make them good.
Right is its own defense.
Grub first, then ethics.
You don’t need to pray to God any more when there are storms in the sky, but you do have to be insured.
Temptation to behave is terrible.
The world of knowledge takes a crazy turn when teachers themselves are taught to learn.
What happens to the hole when the cheese is gone?
Society cannot share a common communication system so long as it is split into warring factions.
The finest plans have always been spoiled by the littleness of them that should carry them out. Even emperors can’t do it all by themselves.
No one will improve your lot if you do not yourself.