Verse 22

वयमज्ञातवन्तस्त्वां मौर्ख्येणाशु मृतं भवत् ।मृतमस्माकमद्यासि दीपानां तिमिरं यथा

In plain words

We, through sheer folly, failed to know you as the dead thing you had already, swiftly become. Today you stand dead before us — as darkness stands before lamps.