Habit is stronger than nature.

A cowardly cur barks more fiercely than it bites.

Doctors cure the more serious diseases with harsh remedies. Curtius Medici graviores morbos asperis remediis curant

When the truth cannot be clearly made out, what is false is increased through fear.

Habit is stronger than nature.

He is a fool who looks at the fruit of lofty trees, but does not measure their height.

Nothing is so secure in its position as not to be in danger from the attack even of the weak.