President Donald Trump rubbed salt on the wound of his recent Harvard student ban by claiming a “lot of them” can’t even do basic math. His petty comment came a day after he moved to bar foreign students from enrollment as part of his ongoing feud with the Ivy League school.

More than 1,400 readers weighed in after Trump moved to bar international students from enrolling at Harvard. Here’s how they responded.

International Harvard students say they are experiencing “pure panic” amid the Trump administration’s move to bar foreign enrollment, as students from around the world told CNN they are coming to grips with the possibility of revoked visas,