Jesus said to them, "I am the bread of life. He who comes to me will not be hungry, and he who believes in me will never be thirsty.

 It is little wonder that the disciples found the discourse of Jesus hard. The Greek word is skleros ( G4642) , which means not hard to understand; but hard to accept. The disciples knew quite well that Jesus had been claiming to be the very life of God come down from heaven, and that no one could live this life or face eternity without submitting to him. 