“We need to protect the ecology of the Earth and the ecology of the mind, or this kind of violence and recklessness will spill over into even more areas of life.”
The Sun My Heart (1996)
Context: Birds' songs express joy, beauty, and purity, and evoke in us vitality and love. So many beings in the universe love us unconditionally. The trees, the water, and the air don't ask anything of us; they just love us. Even though we need this kind of love, we continue to destroy them. By destroying the animals, the air, and the trees, we are destroying ourselves. We must learn to practice unconditional love for all beings so that the animals, the air, the trees, and the minerals can continue to be themselves.
Our ecology should be a deep ecology—not only deep, but universal. There is pollution in our consciousness. Television, films, and newspapers are forms of pollution for us and our children. They sow seeds of violence and anxiety in us and pollute our consciousness, just as we destroy our environment by farming with chemicals, clear-cutting the trees, and polluting the water. We need to protect the ecology of the Earth and the ecology of the mind, or this kind of violence and recklessness will spill over into even more areas of life.
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Thich Nhat Hanh 169
Religious leader and peace activist 1926Related quotes

“Our ecology should be a deep ecology—not only deep, but universal.”
The Sun My Heart (1996)
Context: Birds' songs express joy, beauty, and purity, and evoke in us vitality and love. So many beings in the universe love us unconditionally. The trees, the water, and the air don't ask anything of us; they just love us. Even though we need this kind of love, we continue to destroy them. By destroying the animals, the air, and the trees, we are destroying ourselves. We must learn to practice unconditional love for all beings so that the animals, the air, the trees, and the minerals can continue to be themselves.
Our ecology should be a deep ecology—not only deep, but universal. There is pollution in our consciousness. Television, films, and newspapers are forms of pollution for us and our children. They sow seeds of violence and anxiety in us and pollute our consciousness, just as we destroy our environment by farming with chemicals, clear-cutting the trees, and polluting the water. We need to protect the ecology of the Earth and the ecology of the mind, or this kind of violence and recklessness will spill over into even more areas of life.

(zh-TW) 萬物依存大自然,平衡動態順其緣。
栽花植樹維佳境,繁殖新生種福田。
"Reproduction" (繁殖新生)
Source: Deng Feng-Zhou, "Deng Feng-Zhou Classical Chinese Poetry Anthology". Volume 6, Tainan, 2018: 87.

What Is Social Ecology? (1984).
Source: 1950s, A Reconstruction of Economics, 1950, p. 6

Robert Costanza, Ecological economics: the science and management of sustainability. Columbia University Press, 1992.

Out of Control: The New Biology of Machines, Social Systems and the Economic World (1995)