In all parts of the Old World, as well as of the New, it was evident that Columbus had kindled a fire in every mariner's heart. That fire was the harbinger of a new era, for it was not to be extinguished.
“How many inner resources one needs to tolerate a life of leisure without fatigue.”
“For in 1900 all electromagnetic radiation of longer wavelengths was already known at least to the extent that one could not seek in it the more striking characteristics of X-rays such as, for example, the strong penetrating power.”