The great Error of our Nature ...

The great Error of our Nature is, not to know where to stop, not to be satisfied with any reasonable Acquirement; not to compound with our Condition; but to lose all we have gained by an insatiable Pursuit after more.
The great Error of our Nature is, not to know where to stop, not to be satisfied with any reasonable Acquirement; not to compound with our Condition; but to lose all we have gained by an insatiable Pursuit after more.

Quotes from the same author

But what is liberty without wisdom, and without virtue? It is the greatest of all possible evils; for it is folly, vice, and madness, without tuition or restraint.
Nobody made a greater mistake than he who did nothing because he could do only a little.
The people never give up their liberties but under some delusion.
But the age of chivalry is gone. That of sophisters, economists, and calculators has succeeded; and the glory of Europe is extinguished forever.
Early and provident fear is the mother of safety.