Adharmam Dharmam Iti Ya

Tamasic intellect is wrapped in darkness. It does not merely misunderstand dharma — it actively sees adharma as dharma and dharma as adharma. Everything is inverted. Every judgment is the opposite of what it should be.

A person under this intellect commits wrong and feels no remorse. In fact, they believe they are doing right. It is like wearing tinted glasses that flip every color: red looks green, green looks red. The person sees confidently, but every conclusion is reversed.

This is the deepest form of ignorance — not the absence of knowledge, but the presence of inverted knowledge. When tamas fully covers the intellect, the distinction between right and wrong does not merely blur (as in rajas); it disappears entirely.

When tamas overtakes the intellect, viveka — the power of discernment — is destroyed. This is why the Gita considers tamasic intellect the most dangerous of the three. The person cannot even recognize that they are wrong.

With this shloka, the threefold classification of intellect is complete. The next three shlokas (18.33-35) turn to dhriti — fortitude or inner steadfastness — and classify it the same way.