He must learn and unlearn.
"A Handbook to the Works of Browning (6th ed.)"
Mrs. Sutherland Orr
He himself had gone out into the world something of a scholar and something of a pedant, and he had found that all his ideas of life had lain rusting in his country home, and that he had almost as much to unlearn as to learn.
"The New Tenant"
E. Phillips Oppenheim
When a child has learnt to live in the past, or the future, rather than in the present, it has learnt one of the first and saddest of life's experiences-a lesson so hard in the learning, so impossible to unlearn in all the years to come.
"My Little Lady"
Eleanor Frances Poynter