When the going gets tough, the tough get going - Joe Kennedy (1888-1969 )

Necessity is the mother of invention - Plato ( ~400BC )

Speed up in a slowdown - Google ( 2008 )

Rules are what the artist breaks; the moemorable never emerged from a formula - William Bernbach ( 1911-1982 )

Just do it - Wieden & Kennedy ( 1988 )