Zeal without knowledge is the sister of folly.

Zeal without knowledge is the sister of folly.

Let a good person do good deeds with the same zeal that an evil person does bad ones.

Let a good person do good deeds with the same zeal that an evil person does bad ones.

Press bravely onward!--not in vain
Your generous trust in human kind;
The good which bloodshed could not read more

Press bravely onward!--not in vain
Your generous trust in human kind;
The good which bloodshed could not gain
Your peaceful zeal shall find.

It is false zeal to keep truth while wounding charity

It is false zeal to keep truth while wounding charity

Zeal without humanity is like a ship without a rudder, liable to be stranded at any moment

Zeal without humanity is like a ship without a rudder, liable to be stranded at any moment

Through zeal, knowledge is gotten; through lack of zeal, knowledge is lost; let a man who knows the double path read more

Through zeal, knowledge is gotten; through lack of zeal, knowledge is lost; let a man who knows the double path of gain and loss thus place himself that knowledge may grow.

Poets heap virtues, painters gems, at will,
And show their zeal, and hide their want of skill.

Poets heap virtues, painters gems, at will,
And show their zeal, and hide their want of skill.

Blind zeal can only do harm.
[Ger., Blinder Eifer schadet nur.]

Blind zeal can only do harm.
[Ger., Blinder Eifer schadet nur.]

The zeal of friends it is that razes me,
And not the hate of enemies.
[Ger., Der read more

The zeal of friends it is that razes me,
And not the hate of enemies.
[Ger., Der Freunde Eifer ist's, der mich
Zu Grunde richtet, nicht der Hass der Feinde.]