Then, upon hearing this, Jesus said to them: "This sickness is not unto death, but for the glory of God, so that the Son of God may be glorified by it.
Other versions
King James Version
When Jesus heard that, he said, This sickness is not unto death, but for the glory of God, that the Son of God might be glorified thereby.English Standard Version
But when Jesus heard it he said, "This illness does not lead to death. It is for the glory of God, so that the Son of God may be glorified through it."New International Version
When he heard this, Jesus said, "This sickness will not end in death. No, it is for God's glory so that God's Son may be glorified through it."