Chapter 13 · The Field and the Knower · Krishna said
Bhagavad Gita 13.8 — Marks of true knowledge
अमानित्वमदम्भित्वमहिंसा क्षान्तिरार्जवम्। आचार्योपासनं शौचं स्थैर्यमात्मविनिग्रहः ॥
amānitvamadambhitvamahiṃsā kṣāntirārjavam | ācāryopāsanaṃ śaucaṃ sthairyamātmavinigrahaḥ ||
Meaning
Humility, freedom from pretence, non-violence, patience, honesty, serving one's teacher, purity, steadiness and self-control —
In today's life
Real knowledge shows up as humility and honesty, not as how much we can say.