The decision is your own voice, an opinion is the echo of someone else's voice.
Do you know, the only people I can have a conversation with are the Jews? At least when they quote scripture at you they are not merely repeating something some priest has babbled in their ear. They have the great merit of disagreeing with nearly everything I say. In fact, they disagree with almost everything they say themselves. And most importantly, they don't think that shouting strengthens their argument.
[Responding to the Bishop of Oxford, Samuel Wilberforce's question whether he traced his descent from an ape on his mother's or his father's side] A man has no reason to be ashamed of having an ape for his grandfather. If there were an ancestor whom I should feel shame in recalling it would rather be a manβa man of restless and versatile intellectβwho β¦ plunges into scientific questions with which he has no real acquaintance, only to obscure them by an aimless rhetoric, and distract the attention of his hearers from the real point at issue by eloquent digressions and skilled appeals to religious prejudice.