Any group is weaker than a man alone unless they are perfectly trained to work together.
Robert A. HeinleinIt may take endless wars and unbearable population pressure to force-feed a technology to the point where it can cope with space. In the universe, space travel may be the normal birth pangs of an otherwise dying race. A test. Some races pass, some fail.
Robert A. HeinleinFigure out for yourself what you want to be really good at, know that you'll never really satisfy yourself that you've made it, and accept that that's okay.
Robert A. Heinlein