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Good tests kill flawed theories; we remain alive to guess again.  
It is impossible to speak in such a way that you cannot be misundersto...  
No rational argument will have a rational effect on a man who does not...  
Our knowledge can only be finite, while our ignorance must necessarily...  
Science may be described as the art of systematic over-simplification.  
Those who promise us paradise on earth never produced anything but a h...