That truth is not absolute

Einstein and Tagore met in Germany in 1930 AD
Einstein said:
Reality is relative and truth is absolute.
Tagore said:
But both are relative.
Because if you deny reality, you will deny the truth and vice versa. The entire universe is inside me and I am inside the universe, and there is no beauty without the presence of someone who admires it, and there is no truth without the presence of someone who believes it.

Einstein was amazed by Tagore's genius and said:
Moments ago, my theory was incomplete, and now you have completed it by proving that the truth is not absolute