Here we are, arguably the most intelligent being that's ever walked planet Earth, with this extraordinary brain ... and yet we're destroying the only home we have.
— Jane Goodall

The God of the Old Testament is arguably the most unpleasant character in all fiction: jealous and proud of it; a petty, unjust, unforgiving control-freak; a vindictive, bloodthirsty ethnic cleanser; a misogynistic, homophobic, racist, infanticidal, genocidal, filicidal, pestilential, megalomaniacal, sadomasochistic, capriciously malevolent bully.
Richard Dawkins arguably quote

Arguably the only goods people need these days are food and happiness.
— Sir Terence Conran

Texas has arguably the most extreme separation between the well off and everyday people in the United States.
— Don Baylor

We have to face the reality of climate change. It is arguably the biggest threat we are facing today.
— arguably quotation by William Hague