35 Then Jesus told them, “You are going to have the light just a little while longer. Walk while you have the light, before darkness overtakes you. Whoever walks in the dark does not know where they are going.

Read John 12:35 Using Other Translations

Then Jesus said unto them,Yet a little while is the light with you. Walk while ye have the light, lest darkness come upon you: for he that walketh in darkness knoweth not whither he goeth.
So Jesus said to them, "The light is among you for a little while longer. Walk while you have the light, lest darkness overtake you. The one who walks in the darkness does not know where he is going.
Jesus replied, “My light will shine for you just a little longer. Walk in the light while you can, so the darkness will not overtake you. Those who walk in the darkness cannot see where they are going.