Our knowledge of Jesus is indirect because we have no first-hand account of his life and mission.
The earliest New Testament gospel to be written was Mark's Gospel, but this was not written until around 70 CE and is clearly not based on eye-witness sources. All the New Testament gospels were originally anonymous and we now know that the other gospels were actually based on Mark's Gospel, either directly (Matthew and Luke) or indirectly (John).
Since he died about 2000 years ago, nobody living today has actually seen him.
In spite of pious claims by some that the Talmud mentions Jesus, there is no direct or indirect reference anywhere to Jesus.
You are not directly observing it
Nowhere, there is no direct mention of Jesus in the Talmud. The first indirect reference is about the early Christians from after his death.
Christians believe he was, Jews and Muslims believe not. Certainly there is no direct or indirect reference to Jesus in the Old Testament.
If you are a part of a religion that worships him yes.
Jesus is the Greek translation of the name Joshua, which is to be found in the Old Testament books of law (the Pentateuch) when referring to Joshua, son of Nun. However, there is no direct or indirect mention of Jesus of Nazareth.
twiceAnother Answer:There are over 30 references to Jesus using the term lamb - direct or indirect. The vast majority of these are in the Book of Revelation.
True knowledge and wisdom are available only through Jesus Christ and with the help of God's spirit.
Philosophy is the study of fundamental questions about existence, knowledge, reality, ethics, and more. It seeks to understand the nature of reality, truth, and values through reasoned argument and critical analysis. The nature of philosophy involves examining and challenging beliefs, seeking clarity and understanding, and engaging in reflective thought about profound and abstract concepts.
by eating the forbidden fruit[i guess..]:]
A democracy can come in two forms - direct and indirect - while a republic is always indirect - Apex
At eleven years of age, Jesus went alone to the temple, having been separated from his parents, and spoke with authority and knowledge to the elders at the temple, discussing philosophical and religious questions with them. They were very impressed with his knowledge and manner.