How to judge rightly?

The following is an excerpt from a samvaad (dialogue) session with Acharya Prashant.

Question: Acharya Ji, what is the meaning of non-duality? Does it mean that we have to drop our judgements?

Acharya Prashant: Non-duality does not mean that you have to drop judgments. Non-duality means that — the ego is always judging, and that is inevitable.