His goodness lies within him. خيره في جوفه

خيره في جوفه
أي إنك تحقره في المنظر وتأتيك أنباؤه بغير ذلك
يضرب لمن تزدريه وهو يجاذبك
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His goodness lies within him.
Meaning, you may despise him outwardly, but news of him will reveal otherwise. This proverb is used to describe someone you look down upon, yet he is actually engaging with you.
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المثل العربي «خَيْرُهُ في جَوْفِهِ» يُضرب لمن يبدو حقيرًا أو متواضعًا في مظهره، فيُزدَرَى ويُستخف به، ثم يظهر أن فيه فضلًا أو قدرةً أو حكمةً لم تكن ظاهرة.
ومن أقرب المقابلات في الثقافة الإنجليزية: Still waters run deep.
«المياه الهادئة عميقة.»
وهو أشهر مثل إنجليزي في هذا المعنى، ويُضرب لمن يبدو هادئًا أو بسيطًا بينما يملك عمقًا أو قدرات خفية.
Don't judge a book by its cover.
«لا تحكم على الكتاب من غلافه.»
أي لا تغتر بالمظاهر.
Appearances can be deceiving.
«المظاهر قد تكون خادعة.»
There is more to him than meets the eye.
«فيه أكثر مما تراه العين.»
وأقرب مقابل للمثل العربي «خيره في جوفه» هو:
Still waters run deep.
إذا كان المقصود أن الرجل يخفي فضله وعمقه وراء مظهر متواضع.
أما إذا كان التركيز على عدم الاغترار بالمظهر، فالمقابل الأنسب هو:
Don't judge a book by its cover.
«لا تحكم على الكتاب من غلافه.»
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The Arabic proverb “His goodness lies within him” is used to describe someone who appears insignificant or humble in appearance, leading to scorn and contempt, only to later reveal hidden virtues, abilities, or wisdom.
A similar proverb in English is:
“Still waters run deep.”
This is a well-known English proverb with this meaning, used to describe someone who appears calm or unassuming but possesses hidden depths or abilities.
“Don't judge a book by its cover.”
“Don't judge a book by its cover.”
That is, don't be deceived by appearances.
“Appearances can be deceiving.”
“There is more to him than meets the eye.”
“He has more to him than meets the eye.”
The closest equivalent to the Arabic proverb “His goodness lies within him” is:
“Still waters run deep.”
If the intention is that the man hides his merit and depth behind a humble appearance.
But if the focus is on not being deceived by appearances, then the more appropriate equivalent is:

Don't judge a book by its cover.

“Don't judge a book by its cover.”

He went astray, son of a fool. ذَهَبَ فِي ضُلِّ بْنِ أُلٍّ‏

If he persisted in falsehood, it is said: He went astray, astray, and astray, if he went astray without right.
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This proverb is used to describe someone who has gone too far in their error and stubbornness, embarking on a path of misguidance without return. Some of the closest English equivalents are:
“He has gone off the deep end.”
Meaning: He has gone too far into error, madness, or extremism.
“To go down the wrong road.”
Meaning: To take the wrong path.
“He is deep in error.”
Meaning: He is deeply immersed in error and misguidance.
“To persist in folly.”
Meaning: He persists in foolishness and falsehood.
“He has lost his way completely.”
Meaning: He has gone completely astray.
The closest expression to the spirit of the Arabic proverb is:
“He has gone far astray.”
“He has gone too far into misguidance.”
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إذا ركبَ رأسَه في الباطل، يقال‏:‏ ذهب في الضَّلاَل والألال، والضلال والتلال، إذا ذهب في غير حق‏.‏