He is not stupid.

He is no fool.

He's not stupid.

Source: Tatoeba

Do you take me for a fool?

Source: Tatoeba

You're an idiot!

Source: Tatoeba

Maybe I'm just a fool.

Source: Tatoeba

Sympathy is for chumps.

Source: Tatoeba

We must learn to live together as brothers, or we will perish together as fools.

Source: Tatoeba

You're such a jerk.

Source: Tatoeba

"You're taking me for an idiot!" "Taking you for an idiot? Oh, no! I'd never!"

Source: Tatoeba

What a sucker!

What an idiot!

What a dumbass!

Source: Tatoeba

Fucking hell, what idiot dare phone me in the middle of the night?

Source: Tatoeba

You think I'm an idiot?

Do you think I'm an idiot?

Source: Tatoeba

He is really a perfect idiot.

Source: Tatoeba

Tom is an ignorant fool.

Source: Tatoeba

"Only a moron truly believes in blanket statements like this." "That's actually a blanket statement too." "Ha, I know."

Source: Tatoeba