开卷有益
kāi juàn yǒu yì
In real, traceable use. Part of the curated seed collection; community review is coming.
Traditional: 開卷有益
Reading always does you good: whenever you open a book you learn something. Used as a motto to encourage people, especially students, to read more.
Hễ mở sách ra đọc là có ích. Dùng như một lời khuyên, khuyến khích mọi người, nhất là học sinh, chăm đọc sách.
Register: formal
Examples
Editorial example (illustrative, not a corpus attestation) — awaiting a native-speaker check
Sources & notes
Hán-Việt bridge batch 062 (2026-11-13). Headword, Traditional form and pinyin checked against CC-CEDICT (CC BY-SA 4.0) source ↗ · Hán-Việt reading: Unihan kVietnamese source ↗ · Vietnamese cognate: Idiomer entry “khai quyển hữu ích” (khai-quyen-huu-ich). Definition, literal gloss and example sentence are original; the example has not had a native-speaker check yet.
Equivalents & related
Common questions
What does “开卷有益” mean?
Reading always does you good: whenever you open a book you learn something. Used as a motto to encourage people, especially students, to read more. Literally: opening a scroll brings benefit
Is “开卷有益” formal or informal?
开卷有益 is generally formal.