What he's saying:
"Even though he had been told on repeated occasions that he wanted to do was illegal, his response was to say ‘Do it. If you get in trouble, I’ll pardon you.’
"It was made clear to the president that it was against the law to simply deny anyone entry across the southern border including people who were fleeing violence, persecution, danger. Under the law, they had the right to come in to try to seek refuge in the United States. He said ‘I don’t care.’ His exact words were, ‘The bins are full.’
"The president offered to pardon U.S. government officials for breaking the law to implement his immigration policies. That was the moment I decided I was going to have to quit the Trump administration."