THE EMPIRE OF THE AIR. 463 



Thus w'c may recover our (M|u;iuimity and calinly cousidor tlic pos- 

 sibility of success. We may [)rocee(l toward that pharos, tluit beacon, 

 which is the iiuineasuraWe hiw of nature and w hicli we cjill ])ro,i;ress; 

 for human progress is synonymous witli welfare. 



Finall,\', 1 counsel tlu? greatest [>ossible i>rudencc to all who under- 

 take t(» solve the problem of sailing tiighl. Let them carefully canvass 

 all the causes of accidents which it is possible to foresee; ])ut oiu-e they 

 have made this canvass, once they have completed their icseanthes, T 

 recomnu'ud them to act with energy and will, and I know of uo better 

 word to say to them than the one with which 1 began this monograph: 

 "Osez" — daring wins. 



