Luke 24

Luke24:27And beginning with Moses and all the Prophets, he explained to them what was said in all the Scriptures concerning himself.

Three days after Jesus had died, two disciples were going to the nearby village called Emmaus. And as they talked and discussed the things concerning Jesus, Jesus himself joined them- not letting them know whom he was- and asked them what they were talking about. When they told Jesus about the rumour that he had resurrected he started to explain to them "what was said in all the Scriptures concerning himself".
What I like here is that Jesus doesn't just simply tell them "Hey! It's me!", but he tries to make them believe in the words of others by opening up the scriptures. He gives them the chance to learn about him from the scriptures. If he just revealed himself to them, then they wouldn't be able to open the scriptures to other Jews, who might not believe them. So Jesus gives them a very good foundation of scripture knowledge in order to preach the gospel.

Acts17:2As his custom was, Paul went into the synagogue, and on three Sabbath days he reasoned with them from the Scriptures

Here Paul takes the Bible as his foundation of his teachings! That's a very important point also for us today, so that we will not preach our teachings but the teachings of God - the teachings in the bible.

2.Tim.3:16All Scripture is God-breathed and is useful for teaching, rebuking, correcting and training in righteousness,
2.Tim.3:17 so that the man of God may be thoroughly equipped for every good work.

1.Tim.4:16Watch your life and doctrine closely. Persevere in them, because if you do, you will save both yourself and your hearers.