Neither is it merely fortuitous that the reaction proceeded from France itself.
That's a bit fortuitous, isn't it?
In pure leasehold the landlord demands at least six months rent as guarantee, and the forfeiture of any fortuitous advantages.
Sea-snakes occasionally make their way to Japan, being cairied thither by the Black Current (Kuro Shiwo) and the monsoon, but they must be regarded as merely fortuitous visitors.
A very, very few people, however, were freed from this sustenance lifestyle, either by their fortuitous birth or outstanding ability.