I've found out why people laugh. They laugh because it hurts so much . . . because it's the only thing that'll make it stop hurting.
Robert A. HeinleinIn this complex world, the scientific method, and the consequences of the scientific method are central to everything the human race is doing and to wherever we are going.
Robert A. HeinleinGet a shot off fast. This upsets him long enough to let you make your second shot perfect.
Robert A. HeinleinI've never understood how God could expect His creatures to pick the one true religion by faith-it strikes me as a sloppy way to run a universe.
Robert A. Heinlein