Every therapeutic cure, and still more, any awkward attempt to show the patient the truth, tears him from the cradle of his freedom from responsibility and must therefore reckon with the most vehement resistance. Alfred Adler
We are least open to precise knowledge concerning the things we are most vehement about. Eric Hoffer
Anger is implanted in us as sort of sting, to make us gnash with our teeth against the devil, to make us vehement against him, not to set us in array against each other. Richard Savage
Orators are most vehement when their cause is weak. Marcus Tullius Cicero
If you see one cold and vehement at the same time, set him down for a fanatic. Johann Kaspar Lavater