Part III of the Taittiriya, Ascent to Joy

"Bhrigu went to his father, Varuna,
and asked respectfully: "What is Brahman?"
Varuna replied: "First learn about food,
Breath, eye, ear, speech, and mind; then seek to know
That from which these are born, by which they live,
For which they search, and to which they return.
That is Brahman."
Bhrigu meditated and found food
Is Brahman. From food are born all creatures,
By food they grow, and to food they return.

Not fully satisfied with his knowledge,
Bhrigu went to his father, Varuna,
And appealed: "Please teach me more of Brahman."
"Seek it through meditation," replied Varuna,
"For meditation is Brahman."
Bhrigu meditated and found that life is Brahman. From life are born all creatures,
By life they grow, and to life they return.

Not fully satisfied with his kowledge,
Bhrigu went to his father, Varuna,
And appealed: "Please teach me more of Brahman."
"Seek it through meditation," replied Varuna,
For meditation is Brahman."
Bhrigu meditated and found that wisdom is Brahman. From wisdom come all creatures,
By wisdom they grow, to wisdom return.

Not fully satisfied with his knowledge,
Bhrigu went to his father, Varuna,
And appealed: "Please teach me more of Brahman."
"Seek it through meditation," replied Varuna,
"For meditation is Brahman."
Bhrigu meditated and found that joy
Is Brahman. From joy are born all creatures,
By hoy they grow, and to joy they return.

Bhrigu, Varuna's son, realized this Self
In the very depths of meditation.
Those who realize the Self within the heart
Stand firm, grow rich, gather a family
Around them, and receive the love of all.

Respect food: the body is made of food;
Food and body exist to serve the Self.
Those who realize the Self within the heart
Stand firm, grow rich, gather a family
Around them, and receive the love of all.

Waste not food, waste not water, waste not fire;
Fire and water exist to serve the Self.
Those who realize the Self within the heart,
Stand firm, grow rich, gather a family
Around them, and receive the love of all.

...

Refuse not food to those who are hungry.
When you feed the hungry you serve the Lord,
For whom is born every living creature.
Those who realize the Self within the heart
Stand firm, grow rich, gather a family
Around them, and receive the love of all..."

left in my drafts since last november and just accidentally came across it! Taittiriya is one of my favourite upanishad pieces