Nothing is so contagious as enthusiasm.
Samuel Taylor Coleridge
I think it's obvious that democracy is something that is contagious, and it always has been.
Steve Earle
Elephants are contagious.
Paul Eluard
We are more prone to generalize the bad than the good. We assume that the bad is more potent and contagious.
Eric Hoffer
Cruelty is contagious in uncivilized communities.
Harriet Ann Jacobs
Confidence is contagious. So is lack of confidence.
Vince Lombardi
I really believed that fear is contagious.
Joel Osteen
Freedom is contagious. That's why despots fear it so much.
Bill Owens
Your attitude is contagious.
Kevin Plank
Like timidity, bravery is also contagious.
Munshi Premchand