John 8:48-58

48 The Jews, therefore, answered and said to him, `Do we not say well, that thou art a Samaritan, and hast a demon?'
49 Jesus answered, `I have not a demon, but I honour my Father, and ye dishonour me;
50 and I do not seek my own glory; there is who is seeking and is judging;
51 verily, verily, I say to you, If any one may keep my word, death he may not see -- to the age.'
52 The Jews, therefore, said to him, `Now we have known that thou hast a demon; Abraham did die, and the prophets, and thou dost say, If any one may keep my word, he shall not taste of death -- to the age!
53 Art thou greater than our father Abraham, who died? and the prophets died; whom dost thou make thyself?'
54 Jesus answered, `If I glorify myself, my glory is nothing; it is my Father who is glorifying me, of whom ye say that He is your God;
55 and ye have not known Him, and I have known Him, and if I say that I have not known Him, I shall be like you -- speaking falsely; but I have known Him, and His word I keep;
56 Abraham, your father, was glad that he might see my day; and he saw, and did rejoice.'
57 The Jews, therefore, said unto him, `Thou art not yet fifty years old, and Abraham hast thou seen?'
58 Jesus said to them, `Verily, verily, I say to you, Before Abraham's coming -- I am;'
Young's Literal Translation is in the public domain.