What "sutras" do you think are original to Jesus?
In reality, all of Christian teachings can be found in previous religions and schools.
The only thing original in Christianity is original sin.
Iasion
What Yeshua said has been said before him and after him in countless times; all the Buddhas have spread around the same truth. When a Buddha arises in the world, people start gathering around him, and most of the times a religion is born. But the ironic part of all this is that in order to make it a religion, you have to contradict the very teachings you are following.
As to what sutras are real or not, I can honestly say I can´t even pick one that does not speak about truth. But as I have read many times the words of Yeshua, I have come to some favorites that have caughten my attention, maybe because I understand them better than others.
My favorite gospel, is the one of Thomas, if you read it, you can easily pick up with things that cannot possibly be in the cannon, because most quotes contradict the very foundation of the Christian dogma.
For example:
"Yeshua says to his Disciples: Make a comparison to me, and tell me whom I resemble. || Shimon Kefa says to him: Thou art like a righteous angel. || Matthew says to him: Thou art like a philosopher of the heart. || Thomas says to him: Teacher, my mouth will not at all be capable of saying whom thou art like! || Yeshua says:
I'm not thy teacher, now that thou have drunk, thou have become drunk from the bubbling spring which I have measured out." Gospel of Thomas - Vs 13
Notice that Yeshua denies being the teacher of the disciples, and he speaks:
"now that thou have drunk, thou have become drunk from the bubbling spring which I have measured out."
From my understanding, Yeshua is talking about the mind, about thinking. Not drunk with wine, but "drunk with thinking" from the "bubbling spring" which is the mind. They are carrying the whole baggage of the past with them, and Yeshua is talking about being in the present moment, that is not possible with the mind, but with the "heart".