“Knowledge is the only instrument of production that is not subject to diminishing returns”
John Maurice Clark
“The love that lasts the longest is the love that is never returned.”
William Somerset Maugham
“The heart is the only broken instrument that works.”
T. E. Kalem
“The flute is not an instrument that has a good moral effect; it is too exciting.”
Aristotle
“Prosperity is only an instrument to be used, not a deity to be worshipped.”
Calvin Coolidge
“Memory is not an instrument for exploring the past but its theatre. It is the medium of past experience, as the ground is the medium in which dead cities lie interred.”
Walter Benjamin
“It hasn't been productive as an instrument yet.”
Jeff Setzer
