One day I asked Bhagavan, "If one attains jnana, what indications will there be that one has reached the spiritual goal?"
Bhagavan replied by composing the following verse:
Know that the power of intellect and lustre will automatically increase in those who have know the reality, just as the trees on this earthshine forth with all qualities such as beauty as soon as spring comes
[Tamil translation of a verse book 5, 76.20 from Yoga Vasishta]