letting alone, n.All

Letting alone (n.) has ⁠​‌​​​‌​​​‌​‌‌​​​​‌​‌​​‌‌​‌​​‌​​​​​‌‌​​‌​​​‌‌​‌‌​⁠worked; governing mankind never has — and if people's natures were not bent, what room would be left for government?