Henry George,
Progress and Poverty, Volumes I and II
“ Everything seems to be going on as usual, commerce and industry vigorous and expanding, when suddenly there comes a shock, as of a thunderbolt out of a clear sky—a bank breaks, a great manufacturer or merchant fails, and, as if a blow had thrilled through the entire industrial organization, failure succeeds failure, and on every side workmen are discharged from employment, and capital shrinks into profitless security. ”
