“It’s all right if you grow your wings on the way down.”
“Sometimes, if you aren't sure about something, you just have to jump off the bridge and grow your wings on the way down.”
“Sometimes you just have to jump out the window and grow wings on the way down.”
“You've got to jump off cliffs all the time and build your wings on the way down.”
“First you jump off the cliff and build your wings on the way down.”
“Sometimes you just have to take the leap and build your wings on the way down.”