“The richest soil that was ever prepared would not grow a single blade of grass or the tiniest Weed if that soil were absolutely dry. …There must be water in the soil to dissolve out and transfer its elements in order that the rootlets of the plant shall be able to make the slightest use of these elements. …But …a plant may grow and thrive for a time quite without the presence of soil if its roots are placed in water. … some of the richest soils in the world are those that are absolutely barren and fully merit the designation of desert lands because water is lacking”
How Plants are Trained to Work for Man (1921) Vol. 5 Gardening
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Luther Burbank 30
American botanist, horticulturist and pioneer in agricultur… 1849–1926Related quotes
“Human beings, like plants, grow in the soil of acceptance, not in the atmosphere of rejection”

“Woe to the thinker who is not the gardener but only the soil of the plants that grow in him!”
382
Daybreak — Thoughts on the Prejudices of Morality (1881)

“Slavery they can have anywhere. It is a weed that grows in every soil.”
Second Speech on Conciliation with America (1775)

Part I, Essay 16: The Stoic
Essays, Moral, Political, and Literary (1741-2; 1748)
Context: If nature has been frugal in her gifts and endowments, there is the more need of art to supply her defects. If she has been generous and liberal, know that she still expects industry and application on our part, and revenges herself in proportion to our negligent ingratitude. The richest genius, like the most fertile soil, when uncultivated, shoots up into the rankest weeds; and instead of vines and olives for the pleasure and use of man, produces, to its slothful owner, the most abundant crop of poisons.

Source: The Cultural Contradictions of Capitalism (1976), Chapter 6, The Public Household, p. 244
Context: Gadgets can be engineered, programs can be designed, institutions can be built, but belief has an organic quality, and it cannot be called into being by fiat. Once a faith is shattered, it takes a long time to grow again - for its soil is experience - and to become effective again.