John 6:28-30

Amplified Bible

²⁸ Then they asked Him, “What are we to do, so that we may habitually be doing the works of God?” ²⁹ Jesus answered, “This is the work of God: that you believe [adhere to, trust in, rely on, and have faith] in the One whom He has sent.” ³⁰ So they said to Him, “What sign (attesting miracle) will You do that we may see it and believe You? What [supernatural] work will You do [as proof]?