Einstein was a mathematical genius. ✬

He may be a genius. ✬

He is a genius. ✬

Her son is a genius. ✬

She was a genius in mathematics. ✬

You don't have to be a genius to know who said that. ✬

Tom is apparently some kind of genius when it comes to music. ✬

Tom certainly isn't the genius he thinks he is. ✬

His son is a genius. ✬

Your son is a genius. ✬