Every action has a reaction. That's science. - Tony Stark (Civil War)

"Every action has a reaction. That's science."

Tony Stark (Civil War) Science

More from Tony Stark (Civil War)

"Sometimes you gotta run before you can walk."

"I'm sorry. The item you're looking for has been taken offline."

"You know what's really crazy? All this could have been avoided."

"Wow, it's so weird. You've been busy, huh?"

"Science helps us understand the world."

"I've witnessed the birth of science, and it continues to amaze me."

"I'm something of a scientist myself."

"The fusion process is self-sustaining now!"