"The secret of improved plant breeding, apart from scientific knowledge, is love." Luther Burbank uttered this wisdom as I walked beside him in his Santa Rosa garden. We halted near a bed of edible cacti.
 
"While I was conducting experiments to make 'spineless' cacti," he continued, "I often talked to the plants to create a vibration of love. 'You have nothing to fear,' I would tell them. 'You don't need your defensive thorns. I will protect you.' Gradually the useful plant of the desert emerged in a thornless variety."
 
I was charmed at this miracle. "Please, dear Luther, give me a few cacti leaves to plant in my garden at Mount Washington."
 
A workman standing near-by started to strip off some leaves; Burbank prevented him.
 
"I myself will pluck them for the swami." He handed me three leaves, which later I planted, rejoicing as they grew to huge estate.
 
The great horticulturist told me that his first notable triumph was the large potato, now known by his name. 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.
 
I focused my camera as Luther led me before the famous walnut tree by which he had proved that natural evolution can be telescopically hastened.
 
"In only sixteen years," he said, "this walnut tree reached a state of abundant nut production to which an unaided nature would have brought the tree in twice that time."
 
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Luther Burbank, beloved friend, poses with me in his Santa Rosa garden.
Burbank's little adopted daughter came romping with her dog into the garden.
 
"She is my human plant." Luther waved to her affectionately. "I see humanity now as one vast plant, needing for its highest fulfillments only love, the natural blessings of the great outdoors, and intelligent crossing and selection. In the span of my own lifetime I have observed such wondrous progress in plant evolution that I look forward optimistically to a healthy, happy world as soon as its children are taught the principles of simple and rational living. We must return to nature and nature's God."
 
"Luther, you would delight in my Ranchi school, with its outdoor classes, and atmosphere of joy and simplicity."
 
My words touched the chord closest to Burbank's heart-child education. He plied me with questions, interest gleaming from his deep, serene eyes.
 
"Swamiji," he said finally, "schools like yours are the only hope of a future millennium. I am in revolt against the educational systems of our time, severed from nature and stifling of all individuality. I am with you heart and soul in your practical ideals of education."
 
As I was taking leave of the gentle sage, he autographed a small volume and presented it to me. 38-1 "Here is my book on The Training Of The Human Plant," 38-2 he said. "New types of training are needed-fearless experiments. At times the most daring trials have succeeded in bringing out the best in fruits and flowers. Educational innovations for children should likewise become more numerous, more courageous."
 
I read his little book that night with intense interest. His eye envisioning a glorious future for the race, he wrote: "The most stubborn living thing in this world, the most difficult to swerve, is a plant once fixed in certain habits. . . . Remember that this plant has preserved its individuality all through the ages; perhaps it is one which can be traced backward through eons of time in the very rocks themselves, never having varied to any great extent in all these vast periods. Do you suppose, after all these ages of repetition, the plant does not become possessed of a will, if you so choose to call it, of unparalleled tenacity? Indeed, there are plants, like certain of the palms, so persistent that no human power has yet been able to change them. The human will is a weak thing beside the will of a plant. But see how this whole plant's lifelong stubbornness is broken simply by blending a new life with it, making, by crossing, a complete and powerful change in its life. Then when the break comes, fix it by these generations of patient supervision and selection, and the new plant sets out upon its new way never again to return to the old, its tenacious will broken and changed at last.
 
"When it comes to so sensitive and pliable a thing as the nature of a child, the problem becomes vastly easier."
 
Magnetically drawn to this great American, I visited him again and again. One morning I arrived at the same time as the postman, who deposited in Burbank's study about a thousand letters. Horticulturists wrote him from all parts of the world.
 
"Swamiji, your presence is just the excuse I need to get out into the garden," Luther said gaily. He opened a large desk-drawer containing hundreds of travel folders.
 
"See," he said, "this is how I do my traveling. Tied down by my plants and correspondence, I satisfy my desire for foreign lands by a glance now and then at these pictures."
 
My car was standing before his gate; Luther and I drove along the streets of the little town, its gardens bright with his own varieties of Santa Rosa, Peachblow, and Burbank roses.
 
"My friend Henry Ford and I both believe in the ancient theory of reincarnation,............