The crowd laughed and clapped, and someone in the audience shouted out love for the candidate.
"We love you, too, man," Trump said.
Trump's comment came during a campaign rally Saturday at Dordt College in northwest Iowa. The 1,500-seat theater completely filled, hundreds more watched his speech from an overflow room.
Trump devoted a chunk of his nearly 70-minute-long speech to ripping the National Review, a conservative magazine that filled its latest edition with 22 essays from conservative thought leaders who do not want Trump to become the nominee.