A cowardly cur barks more fiercely than it bites.
He is a fool who looks at the fruit of lofty trees, but does not measure their height.
The mob has no ruler more potent than superstition.
Habit is stronger than nature.
A timid dog barks more violently than it bites. Curtius Canis timidus vehementius latrat quam mordet
Nothing is so secure in its position as not to be in danger from the attack even of the weak.