If our dreams were more regular, more connected, more stable, they would also have more practical importance for us. — Ernst Mach Copy Share Image
The practical importance of the preservation of our forests is augmented by their relations to climate, soil and streams. — John Muir Copy Share Image
There can be no doubt that the knowledge of logic is of considerable practical importance for everyone who desires to think and… — Alfred Tarski Copy Share Image
Not only has this subject been long associated with the ideas of thinking men over the ages but its practical importance is… — Robert Hofstadter Copy Share Image
“Intellectually, what is stimulating to a young man is a problem of obvious practical importance. A young man learning economics, for example,… — Bertrand Russell Copy Share Image
