Share this sentence
— Stephen Toulmin"A man demonstrates his rationality, not by a commitment to fixed ideas, stereotyped procedures, or immutable concepts, but by the manner in which, and the occasions on which, he changes those ideas, procedures, and concepts."
Discover more quotes
Previous Quote
What if a small group of world leaders were to conclude that the principal risk to the Earth comes from the actions of the rich countries?... In order to save the planet, the group decides: Isn't the only hope for the planet that the industrialized civilizations collapse? Isn't it our responsibility to bring that about?
— Maurice Strong
Next Quote
Optimism is an essential ingredient of innovation. How else can the individual welcome change over security, adventure over staying in safe places?
— Robert Noyce
Loading recommended content...