Robert Christy, comp. Proverbs, Maxims and Phrases of All Ages. 1887.
Zeal
Blind zeal only does harm.German.
There is no zeal so intemperate and cruel as that which is backed by ignorance.Stilson Hutchins.
Too much zeal is a bad soldier who fires before the word of command.Punch.
Too much zeal spoils all.French.
We do that in our zeal our calmer moments would be afraid to answer.Scott.
Zeal is a bad servant.Talleyrand.
Zeal is fit only for wise men but is found mostly in fools.