Krishna drew a line in the dust of the chariot floor with the tip of his finger. Then another above it. Then another, and another — four lines, each higher than the last, like the rungs of a ladder.

"Look," he said.

Krishna placed his finger on the lowest line. "The body. Strong. It can lift, run, fight. But it is a servant. It goes where it is told."

He moved up. "The senses. Superior to the body because they command it. Your eye sees a fruit and your hand reaches. The body obeys the senses without question."

He moved up again. "The mind. Superior to the senses because it can override them. Your eye sees the fruit, your hand reaches — but the mind can say, 'No. That fruit is not ripe. Wait.' A soldier can stand in a storm of arrows and not flinch, because his mind has told his senses to be still."

He moved to the third line. "The intellect — the buddhi. Superior to the mind because it is the judge. The mind thinks a thousand thoughts, most of them noise. The buddhi says, 'This thought is true. That one is false. This path leads to good. That one to ruin.'"

Arjuna nodded. He had felt this in battle — the chaos of sounds and sights, the whirl of the mind, and then the sharp, clear voice of judgement that cut through it all: shoot now.

"But there is a fourth," said Krishna, and his voice dropped to barely a whisper. He placed his finger on the highest line. "Above the intellect. Above judgement. Above thinking. There is the one who watches all of it."

"The atman," Arjuna said.

"The atman. The soul. It does not think — it knows. It does not judge — it sees. It was never born and will never die. The senses are lamps. The mind is a torch. The intellect is a bonfire. But the atman is the sun. If you can stand there — where the sun lives — then the senses obey the mind, the mind obeys the intellect, and the intellect obeys you. The real you."

He wiped the dust-lines away. "A general does not fight at the gate. He stands on the highest tower and commands the fortress. The atman is your tower, Arjuna. The senses are foot soldiers — brave and strong, but without a general, they scatter."

Arjuna stared at the blank chariot floor. Something had unlocked inside him — a door he had walked past a thousand times. Body, senses, mind, intellect, soul. A ladder. And he had been living on the lower rungs, fighting every battle from the gate instead of the tower.

"How do I climb?" he asked.

Krishna met his eyes. "That is the next question. And you are ready to hear it."