Of Greece proper he saw but little; it is by no means certain that he even visited Athens, and though he describes Corinth as an eyewitness, it is clear that he was never at Delphi, and was not aware that the ruins of Mycenae still existed.
He had been an eyewitness of and an actor in the events which he describes, but his testimony must be accepted with caution.
One eyewitness reported it to be "…quite a scene."
After travelling from Lhasa to Peking with a lama mission he returned, again by Lhasa, to India, and was an eyewitness of the sack of Delhi by Nadir Shah in 1737.
The USA edition has an equally tendentious title - Eyewitness to Jesus.