1. zeal - Noun
2. zeal - Verb
A zealot.
Passionate ardor in the pursuit of anything; eagerness in favor of a person or cause; ardent and active interest; engagedness; enthusiasm; fervor.
To be zealous.
Source: Webster's dictionaryIf zeal had been appropriate for putting humanity right, why did God the Word clothe himself in the body, using gentleness and humility in order to bring the world back to his Father? Isaac the Syrian
Zeal will do more than knowledge. William Hazlitt
For at least two thirds of our miseries spring from human stupidity, human malice and those great motivators and justifiers of malice and stupidity, idealism, dogmatism and proselytizing zeal on behalf of religious or political idols. Aldous Huxley
Zeal without knowledge is a runaway horse. English Proverb
Zeal without knowledge is like fire without light. English Proverb
Zeal is like fire: it needs both feeding and watching. Traditional Proverb