One who is able to withdraw his senses from sense objects, as the tortoise draws his limbs within the shell, is to be understood as truly situated in knowledge.
The third eye is associated with alertness and awareness. When you are alert, awake, more into knowledge, then naturally the energy has moved from the lowest chakra to the highest. You know when you are very alert and awake the sexual energy has transformed itself into a different quality of consciousness.
Lao Tan said, “I was letting my mind wander in the beginning of things.”
“What does this mean?” asked Confucius. Lao Tan said, “It means to attain Perfect Beauty and wander in Perfect Happiness. He who attains Perfect Beauty and wanders in Perfect Happiness may be called the Perfect Man.”