Actor Quotes and aphorisms about how Robert De Niro ,, I always go back to how people behave. If you watch how people actually behave in a situation, it's... Robert De Niro ,, You never know what you do that could be totally out of left field, which actually might work and g... Denis Leary Denis Leary Denis Leary Denis Leary Denis Leary Denis Leary Denis Leary Denis Leary