General
आई बूढी मच्चिंदै, गई बूढी थच्चिंदै
Aaayi budi machchidai, gayi budi thachchidai.
Aakash maa thuke, mukh maa chhitaa.
Talking big in front of many people may fall flat in reality
Aaayi budi machchidai, gayi budi thachchidai.
Aaja maryo, bholi okhati.
What's done is done, no use dwelling on the past
Ankha le dekheko bigyan bhanda man le dekheko bhagwan pyaro.
Careless actions may have unintended consequences
Nepali proverbs reuse the same images — the same animals, tools and weather — to land different lessons. These use some of the same words.
Arka ko bachchho chaati mukh bhari rau.
Speaking ill of others to impress is insincere flattery
Hatti ko mukh maa jira.
A drop in the ocean.
Jo hocho usko mukh maa ghocho.
Whoever is the lowest (in terms of rank/status….etc) gets bullied.