Liftoff is very, very gentle, contrary to what most people think. Because you remember, the weight of the booster - the amount of thrust on the engine is just barely enough to get the booster underway. And so it's a very gentle liftoff, contrary to what most people think when they see all the fire and smoke of launch.
John GlennWe used to joke about canned men, putting people in a can and seeing how far you can send them and bring them back. That's not the purpose of this program... Space is a laboratory, and we go into it to work and learn the new.
John GlennA lot of people ask...why a man is willing to risk... Well, we've got to do it. We're going into an age of exploration that will be bigger than anything the world has ever seen... If a man faces up to the (unknown) and takes the dare of the future, he can have some control over his destiny.
John Glenn