All things can corrupt when minds are prone to evil.
— Ovid

We are more prone to generalize the bad than the good. We assume that the bad is more potent and contagious.
Eric Hoffer prone quote

I'm fighting against the bad poet who is prone to using too many words.
— Wislawa Szymborska

The first evil those who are prone to talk suffer, is that they hear nothing.
— Plutarch

How prone poor Humanity is to dam up the minutest remnants of its freedom, and build an artificial roof to prevent it looking up to the clear blue sky.
— prone quotation by E. T. A. Hoffmann