Wiktionary
when the going gets tough, the tough get going
prov. in difficult times, it is the strong-willed who take action.
Wikipedia
When the going gets tough, the tough get going
"When the going gets tough, the tough get going" is a popular proverb.
When the Going Gets Tough, the Tough Get Going (album)
When the Going Gets Tough, the Tough Get Going is the third and final album by English new wave band Bow Wow Wow, released in 1983 by RCA Records. The cover photography was by David Bailey, and the album credits gave "a kiss" to "Jim" ( James Honeyman-Scott) and John Belushi, who had both recently died.