Chapter 7 · Knowledge and Realisation · Krishna said
Bhagavad Gita 7.26 — God knows all
वेदाहं समतीतानि वर्तमानानि चार्जुन। भविष्याणि च भूतानि मां तु वेद न कश्चन ॥
vedāhaṃ samatītāni vartamānāni cārjuna | bhaviṣyāṇi ca bhūtāni māṃ tu veda na kaścana ||
Meaning
Arjuna, I know all beings of the past, the present and the future — but no one knows me.