It's a bit embarrassing to have been concerned with the human problem all one's life and find at the end that one has no more to offer by way of advice than 'Try to be a little kinder.'
What It Means
This is a placeholder explanation generated by the low-overhead model. It interprets "It's a bit embarrassing to have been concerned with the human problem all one's life and find at the end that one has no more to offer by way of advice than 'Try to be a little kinder.' " in the context of "As quoted in Huston Smith, "Aldous Huxley--A Tribute," The Psychedelic Review, (1964) Vol I, No.3, (Aldous Huxley Memorial Issue), p. 264-5" to mean that wisdom is timeless.
About Aldous Huxley