Citations sur Théorie

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Theory is when we know everything but nothing works. Praxis is when everything works but we do not know why. We always end up by combining theory with praxis: nothing works and we do not know why.
 
In theory, there is no difference between theory and practice. But, in practice, there is.
 
It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.
 
There is nothing so practical as a good theory.
 
Modern theory is about objects lower than man; even stars, being common things, are lower than man.
 
5 citations