With the indefatigability of genius, he went on to present the world with hundreds of crossed improvements on nature-his new Burbank varieties of tomato, corn, squash, cherries, plums, nectarines, berries, poppies, lilies, roses.
"Autobiography of a YOGI"
Paramhansa Yogananda
Of him, his devotion and indefatigability, I had of course heard much, and it was therefore a very great pleasure to become personally acquainted with this most kind comrade in our Cause.
"The Esperantist, Complete"
Various