Unlimited Quote Collections
Organize your favorite quotes without limits. Create themed collections for every occasion with Premium.
'Facts, facts, facts,' cries the scientist if he wants to emphasize the necessity of a firm foundation for science. What is a fact? A fact is a thought that is true. But the scientist will surely not recognize something which depends on men's varying states of mind to be the firm foundation of science.
Friedrich Ludwig Gottlob Frege (8 November 1848 – 26 July 1925) was a German mathematician, logician and philosopher considered to be one of the founders of modern logic. He made major contributions to the foundations of mathematics.
Unlimited Quote Collections
Organize your favorite quotes without limits. Create themed collections for every occasion with Premium.
Related quotes. More quotes will automatically load as you scroll down, or you can use the load more buttons.
Advanced Search Filters
Filter search results by source, date, and more with our premium search tools.