Meaning: noun: Truth.
ਹਿਰਦੈ ਸਚੁ ਏਹ ਕਰਣੀ ਸਾਰੁ॥
ਹਿਰਦੇ ਵਿਚ ਸਚ (ਨੂੰ ਵਸਾਉਣਾ) – ਇਹਹੀਸਰਬ-ਸ੍ਰੇਸਟਕਰਨੀਹੈ।
hirdai sach eh karṇee saar.
(Enshrining) Truth in the heart – this is the most excellent action. -Guru Nanak Sahib, Guru Granth Sahib, 1343
Message: There are various forms of worship and devotion. However, seeking and cherishing the Truth should be our goal and yearning. Truthfulness is the foundation of all the virtues of humanity. Only by cultivating a love for Truth and leading one’s life truthfully, can one attain true happiness and peace. Mere physical or external practices (rituals or pilgrimages to shrines, etc.) are of little or no help.
ਸਚਹੁ ਓਰੈ ਸਭੁ ਕੋ ਉਪਰਿ ਸਚੁ ਆਚਾਰੁ॥
Truthful conduct is the highest, everything else falls below it.
-Guru Nanak Sahib, Guru Granth Sahib, 62
Etymology: From Sanskrit satya (true, truth, promise) → Prakrit/Pali sachch → Sindhi sachu.