Yield to temptation...it may not pass your way again! - Robert A. Heinlein

Heroism' often consists in keeping your head in an emergency and doing the best you can with what you have instead of panicking and being shot in the tail. People who fight this way win more battles than do intentional heroes; a glory hound often throws away the lives of his mates as well as his own.

There is no subject inappropriate for scientific research. Johann, we’ve let you fellows have a monopoly of such matters for too long. The most serious questions in the world have been left to faith or speculation. It is time for scientists to cope with them, or admit that science is no more than pebble counting.

There is solemn satisfaction in doing the best you can for eight billion people. Perhaps their lives have no cosmic significance, but they have feelings. They can hurt.