Airplanes are interesting toys, but of no military value.
Les avions sont des jouets intéressants mais n'ont aucune utilité militaire
Original text (French)
Notes from Wikiquote
Said in 1911 as quoted in Time : A Traveler's Guide (1998) by Clifford A. Pickover, p. 249
Variants
Airplanes are interesting toys, but have no military utility.