“You can spend the entire second half of your life recovering from the mistakes of the first half.”
“Did not one spend the first half of one's days in dreams of happiness and the second half in regrets and terrors?”
“Life seemed to be an educator's practical joke in which you spent the first half learning and the second half learning that everything you learned in the first half was wrong.”
“For the first half of your life each minute feels like a year, but for the second half, each year feels like a minute.”
“The first half of life is devoted to forming a healthy ego, the second half is going inward and letting go of it.”
“The second half of a man's life is made up of nothing but the habits he has acquired during the first half.”