“no calamity greater than to be discontented with one's lot;”

“There is no calamity greater than lightly engaging in war.”

“The getting that (favour) leads to the apprehension (of losing it), and the losing it leads to the fear of (still greater calamity):—this is what is meant by saying that favour and disgrace would seem equally to be feared.”

“There is no disaster greater than not being content; There is no misfortune greater than being covetous.”

“There is no guilt greater than to sanction ambition;”

“no fault greater than the wish to be getting.”

“There is no greater danger than underestimating your opponent.”