Bill Maher slammed Sen. Ted Cruz (R-TX) on Friday’s “Real Time With Bill Maher” for denying climate change and comparing himself to Galileo.

Cruz, in an interview with the Texas Tribune, compared his denial of climate change to Galileo’s rejection of the “scientific wisdom” of his day and pointed out that Galileo was branded a heretic for his denial.

“You, sir, are no Galileo,” Maher said. “But as long as you want to look at Galileo. The consensus he disproved was that the sun orbits the Earth, which wasn’t a scientific consensus! It was a Bible myth from cavemen! He was the scientist!”

Maher also urged Americans to save a rare species from extinction.

“In honor of Earth Day,” Maher said, “America must go all out to save a creature that’s on the verge of extinction. I’m talking of course about the Republican politician who believes in science.”

Maher then presented “zombie lies,” his name for lies that are “definitively proven wrong and yet refuse to die.” However, he clarified that the climate change denial and zombie lies weren’t ever about facts, they were about donors.

“The zombie lies aren’t for the voters, they’re for the donors who make their money killing the planet,” Maher said. “The question is not why today’s politicians suck more than ever. It’s who they’re sucking more than ever.”

Maher also pointed out that Republicans will say anything for the amount of money they’re getting from donors like the Koch brothers.

“It’s what their fellow prostitutes in the sex industry call the ‘girlfriend experience.’”

Watch the video below, courtesy of HBO:

h/t Mediaite