“One included all, and all were contained in one.”

— Thich Nhat Hanh

Old Path White Clouds : Walking in the Footsteps of the Buddha (1991) Parallax Press ISBN 81-216-0675-6

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Thich Nhat Hanh 169

Religious leader and peace activist 1926

Alexander Bryan Johnson (1786–1867) United States philosopher and banker

Preface.
A Treatise on Language: Or, The Relation which Words Bear to Things, in Four Parts (1836)
Context: All that the book contains is the elucidation of but one precept: namely, to interpret language by nature. We [generally and incorrectly] reverse the rule and interpret nature by language.

“Suffering is not increased by numbers. One body can contain all the suffering the world can feel.”

Graham Greene book The Quiet American

Source: The Quiet American

“The universe is represented in every one of its particles. Every thing in nature contains all the powers of nature.”

Ralph Waldo Emerson (1803–1882) American philosopher, essayist, and poet

1840s, Essays: First Series (1841), Compensation
Context: The universe is represented in every one of its particles. Every thing in nature contains all the powers of nature. Every thing is made of one hidden stuff; as the naturalist sees one type under every metamorphosis, and regards a horse as a running man, a fish as a swimming man, a bird as a flying man, a tree as a rooted man. Each new form repeats not only the main character of the type, but part for part all the details, all the aims, furtherances, hindrances, energies, and whole system of every other. Every occupation, trade, art, transaction, is a compend of the world, and a correlative of every other. Each one is an entire emblem of human life; of its good and ill, its trials, its enemies, its course and its end. And each one must somehow accommodate the whole man, and recite all his destiny.
The world globes itself in a drop of dew.

“Any education that matters is liberal. All the saving truths, all the healing graces that distinguish a good education from a bad one or a full education from a half-empty one are contained in that word.”

Alan Simpson (1931) American politician

Alan Simpson (b. 1912), an English born educator who became a U.S. citizen in 1954, in "The Marks of an Educated Man" in Readings for Liberal Education (1962), edited by by Louis Glenn Locke, William Merriam Gibson, and George Warren Arms, p. 47.
Misattributed