Leo Tolstoy Quotes about Knowledge

The only absolute knowledge attainable by man is that life is meaningless.
"Confession". Book by Leo Tolstoy. Chapter 5, translated by David Patterson, 1983.
Leo Tolstoy (2016). “What is Art? (English Version, Abridged)”, p.212, BIG BYTE BOOKS
LEO TOLSTOY (1961). “ANNA KARENINA”