Zeal without knowledge is the sister of folly.

Zeal without knowledge is the sister of folly.

Zeal is a volcano, the peak of which the grass of indecisiveness does not grow.

Zeal is a volcano, the peak of which the grass of indecisiveness does not grow.

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.

But his zeal
None seconded, as out of season judged,
Or singular and rash.

But his zeal
None seconded, as out of season judged,
Or singular and rash.

Zeal without knowledge is fire without light.

Zeal without knowledge is fire without light.

Zeal is fit only for the wise but is found mostly in fools

Zeal is fit only for the wise but is found mostly in fools

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

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

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.]

Had I but served my God with half the zeal I served my King, He would not in mine age read more

Had I but served my God with half the zeal I served my King, He would not in mine age Have left me naked to mine enemies.