In theory, there is no difference between theory and practice; In practice, there is.
Education... has produced a vast population able to read but unable to distinguish what is worth reading.
G. M. Trevelyan (1876 - 1962), English Social History (1942)
Don't tell people how to do things. Tell them what to do and let them surprise you with their results.
George S. Patton (1885 - 1945)
We are bits of stellar matter that got cold by accident, bits of a star gone wrong.
Sir Arthur Eddington (1882 - 1944)