Caitanya-caritāmṛta 7.129
sarvāśraya īśvarera praṇava uddeśa ‘tat tvam asi’ — vākya haya vedera ekadeśa
[sarvaashraya eeshvarera pranava uddesha ‘tat tvam asi’ — vaakya haya vedera ekadesha]
Blended reading (Sanskrit + English inline)
sarvāśraya īśvarera praṇava uddeśa ‘tat tvam asi’ — vākya haya vedera ekadeśa
“It is the purpose of the Supreme Personality of Godhead to present praṇava [oṁkāra] as the reservoir of all Vedic knowledge. The words ‘tat tvam asi’ are only a partial explanation of the Vedic knowledge.
Purport
Tat tvam asi means “you are the same spiritual identity.”
— A.C. Bhaktivedanta Swami Prabhupāda
My note
Source: vedabase.io