Who said “There are no signposts in the sky to show a man has passed that way before. There are no…”?

“I wish I could write well enough to write about aircraft. Faulkner did it very well in Pylon but you cannot do something someone else has done though you might have done it if they hadn't.”

“I like terra firma; the more firma, the less terra.”

“The aeroplane has unveiled for us the true face of the earth.”

“Flying is learning how to throw yourself at the ground and miss.”

“Flying is hours and hours of boredom sprinkled with a few seconds of sheer terror.”

“The wave of the future is coming and there is no fighting it.”

“When one is a stranger to oneself then one is estranged from others too.”

“One can never pay in gratitude; one can only pay ''in kind'' somewhere else in life.”

“Good communication is as stimulating as black coffee, and just as hard to sleep after.”

“Only in growth, reform, and change, paradoxically enough, is true security to be found.”

“By and large, mothers and housewives are the only workers who do not have regular time off. They are the great vacationless class.”