Peirce, Charles San ‧ ders /pɪəs $ pɪərs, tʃɑːlz ˈsɑːndəz $ tʃɑːrlz ˈsændərz/ BrE AmE
(1838–1914) a US philosopher, who said that an idea on its own does not have any value, and that there is only value in the results produced by the idea. His most important writings were put together after his death in a book called Chance, Love and Logic .