No rational argument will have a rational effect on a man who does not want to adopt a rational attitude. – Karl Popper
We must plan for freedom, and not only for security, if for no other reason than that only freedom can make security secure. – Karl Popper
Those who promise us paradise on earth never produced anything but a hell. – Karl Popper
Piecemeal social engineering resembles physical engineering in regarding the ends as beyond the province of technology. – Karl Popper
There are two big forces at work, external and internal. We have very little control over external forces such as tornadoes, earthquakes, floods, disasters, illness and pain. What really matters is the internal force. How do I respond to those disasters? Over that I have complete control. – Leo Buscaglia